128520513

素因数分解:

$3^6\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 84

約数和(自身を含む): 223286784

約数和(自身を除く): 94766271

約数列:

[1, 3, 9, 11, 27, 31, 33, 47, 81, 93, 99, 121, 141, 243, 279, 297, 341, 363, 423, 517, 729, 837, 891, 1023, 1089, 1269, 1457, 1551, 2511, 2673, 3069, 3267, 3751, 3807, 4371, 4653, 5687, 7533, 8019, 9207, 9801, 11253, 11421, 13113, 13959, 16027, 17061, 22599, 27621, 29403, 33759, 34263, 39339, 41877, 48081, 51183, 82863, 88209, 101277, 118017, 125631, 144243, 153549, 176297, 248589, 303831, 354051, 376893, 432729, 460647, 528891, 911493, 1062153, 1298187, 1381941, 1586673, 2734479, 3894561, 4145823, 4760019, 11683683, 14280057, 42840171, 128520513]

約数ペア:

[(1, 128520513), (3, 42840171), (9, 14280057), (11, 11683683), (27, 4760019), (31, 4145823), (33, 3894561), (47, 2734479), (81, 1586673), (93, 1381941), (99, 1298187), (121, 1062153), (141, 911493), (243, 528891), (279, 460647), (297, 432729), (341, 376893), (363, 354051), (423, 303831), (517, 248589), (729, 176297), (837, 153549), (891, 144243), (1023, 125631), (1089, 118017), (1269, 101277), (1457, 88209), (1551, 82863), (2511, 51183), (2673, 48081), (3069, 41877), (3267, 39339), (3751, 34263), (3807, 33759), (4371, 29403), (4653, 27621), (5687, 22599), (7533, 17061), (8019, 16027), (9207, 13959), (9801, 13113), (11253, 11421)]