28295865

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{701}}^1$

素因数の和:751

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 28313415

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 115, 117, 135, 195, 207, 299, 345, 351, 585, 621, 701, 897, 1035, 1495, 1755, 2103, 2691, 3105, 3505, 4485, 6309, 8073, 9113, 10515, 13455, 16123, 18927, 27339, 31545, 40365, 45565, 48369, 80615, 82017, 94635, 136695, 145107, 209599, 241845, 246051, 410085, 435321, 628797, 725535, 1047995, 1230255, 1886391, 2176605, 3143985, 5659173, 9431955, 28295865]

約数ペア:

[(1, 28295865), (3, 9431955), (5, 5659173), (9, 3143985), (13, 2176605), (15, 1886391), (23, 1230255), (27, 1047995), (39, 725535), (45, 628797), (65, 435321), (69, 410085), (115, 246051), (117, 241845), (135, 209599), (195, 145107), (207, 136695), (299, 94635), (345, 82017), (351, 80615), (585, 48369), (621, 45565), (701, 40365), (897, 31545), (1035, 27339), (1495, 18927), (1755, 16123), (2103, 13455), (2691, 10515), (3105, 9113), (3505, 8073), (4485, 6309)]