17917187769

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:795

約数の個数: 128

約数和(自身を含む): 30946406400

約数和(自身を除く): 13029218631

約数列:

[1, 3, 9, 13, 27, 29, 31, 39, 81, 87, 93, 117, 243, 261, 279, 351, 377, 403, 701, 729, 783, 837, 899, 1053, 1131, 1209, 2103, 2187, 2349, 2511, 2697, 3159, 3393, 3627, 6309, 7047, 7533, 8091, 9113, 9477, 10179, 10881, 11687, 18927, 20329, 21141, 21731, 22599, 24273, 27339, 28431, 30537, 32643, 35061, 56781, 60987, 63423, 65193, 67797, 72819, 82017, 91611, 97929, 105183, 170343, 182961, 195579, 218457, 246051, 264277, 274833, 282503, 293787, 315549, 511029, 548883, 586737, 630199, 655371, 738153, 792831, 824499, 847509, 881361, 946647, 1533087, 1646649, 1760211, 1890597, 1966113, 2214459, 2378493, 2542527, 2839941, 4939947, 5280633, 5671791, 6643377, 7135479, 7627581, 8192587, 8519823, 14819841, 15841899, 17015373, 19930131, 21406437, 22882743, 24577761, 25559469, 44459523, 47525697, 51046119, 64219311, 68648229, 73733283, 153138357, 192657933, 205944687, 221199849, 459415071, 577973799, 617834061, 663599547, 1378245213, 1990798641, 5972395923, 17917187769]

約数ペア:

[(1, 17917187769), (3, 5972395923), (9, 1990798641), (13, 1378245213), (27, 663599547), (29, 617834061), (31, 577973799), (39, 459415071), (81, 221199849), (87, 205944687), (93, 192657933), (117, 153138357), (243, 73733283), (261, 68648229), (279, 64219311), (351, 51046119), (377, 47525697), (403, 44459523), (701, 25559469), (729, 24577761), (783, 22882743), (837, 21406437), (899, 19930131), (1053, 17015373), (1131, 15841899), (1209, 14819841), (2103, 8519823), (2187, 8192587), (2349, 7627581), (2511, 7135479), (2697, 6643377), (3159, 5671791), (3393, 5280633), (3627, 4939947), (6309, 2839941), (7047, 2542527), (7533, 2378493), (8091, 2214459), (9113, 1966113), (9477, 1890597), (10179, 1760211), (10881, 1646649), (11687, 1533087), (18927, 946647), (20329, 881361), (21141, 847509), (21731, 824499), (22599, 792831), (24273, 738153), (27339, 655371), (28431, 630199), (30537, 586737), (32643, 548883), (35061, 511029), (56781, 315549), (60987, 293787), (63423, 282503), (65193, 274833), (67797, 264277), (72819, 246051), (82017, 218457), (91611, 195579), (97929, 182961), (105183, 170343)]