15969681

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:111

約数の個数: 96

約数和(自身を含む): 31868928

約数和(自身を除く): 15899247

約数列:

[1, 3, 7, 9, 13, 17, 21, 31, 37, 39, 51, 63, 91, 93, 111, 117, 119, 153, 217, 221, 259, 273, 279, 333, 357, 403, 481, 527, 629, 651, 663, 777, 819, 1071, 1147, 1209, 1443, 1547, 1581, 1887, 1953, 1989, 2331, 2821, 3367, 3441, 3627, 3689, 4329, 4403, 4641, 4743, 5661, 6851, 8029, 8177, 8463, 10101, 10323, 11067, 13209, 13923, 14911, 19499, 20553, 24087, 24531, 25389, 30303, 33201, 39627, 44733, 47957, 57239, 58497, 61659, 72261, 73593, 104377, 134199, 136493, 143871, 171717, 175491, 253487, 313131, 409479, 431613, 515151, 760461, 939393, 1228437, 1774409, 2281383, 5323227, 15969681]

約数ペア:

[(1, 15969681), (3, 5323227), (7, 2281383), (9, 1774409), (13, 1228437), (17, 939393), (21, 760461), (31, 515151), (37, 431613), (39, 409479), (51, 313131), (63, 253487), (91, 175491), (93, 171717), (111, 143871), (117, 136493), (119, 134199), (153, 104377), (217, 73593), (221, 72261), (259, 61659), (273, 58497), (279, 57239), (333, 47957), (357, 44733), (403, 39627), (481, 33201), (527, 30303), (629, 25389), (651, 24531), (663, 24087), (777, 20553), (819, 19499), (1071, 14911), (1147, 13923), (1209, 13209), (1443, 11067), (1547, 10323), (1581, 10101), (1887, 8463), (1953, 8177), (1989, 8029), (2331, 6851), (2821, 5661), (3367, 4743), (3441, 4641), (3627, 4403), (3689, 4329)]