16078725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 32497920

約数和(自身を除く): 16419195

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 39, 45, 65, 69, 75, 115, 117, 195, 207, 225, 239, 299, 325, 345, 575, 585, 717, 897, 975, 1035, 1195, 1495, 1725, 2151, 2691, 2925, 3107, 3585, 4485, 5175, 5497, 5975, 7475, 9321, 10755, 13455, 15535, 16491, 17925, 22425, 27485, 27963, 46605, 49473, 53775, 67275, 71461, 77675, 82455, 137425, 139815, 214383, 233025, 247365, 357305, 412275, 643149, 699075, 1071915, 1236825, 1786525, 3215745, 5359575, 16078725]

約数ペア:

[(1, 16078725), (3, 5359575), (5, 3215745), (9, 1786525), (13, 1236825), (15, 1071915), (23, 699075), (25, 643149), (39, 412275), (45, 357305), (65, 247365), (69, 233025), (75, 214383), (115, 139815), (117, 137425), (195, 82455), (207, 77675), (225, 71461), (239, 67275), (299, 53775), (325, 49473), (345, 46605), (575, 27963), (585, 27485), (717, 22425), (897, 17925), (975, 16491), (1035, 15535), (1195, 13455), (1495, 10755), (1725, 9321), (2151, 7475), (2691, 5975), (2925, 5497), (3107, 5175), (3585, 4485)]