28484865

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1153}}^1$

素因数の和:1231

約数の個数: 40

約数和(自身を含む): 51943848

約数和(自身を除く): 23458983

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 915, 1153, 1647, 2745, 3459, 4941, 5765, 8235, 10377, 17295, 24705, 31131, 51885, 70333, 93393, 155655, 210999, 351665, 466965, 632997, 1054995, 1898991, 3164985, 5696973, 9494955, 28484865]

約数ペア:

[(1, 28484865), (3, 9494955), (5, 5696973), (9, 3164985), (15, 1898991), (27, 1054995), (45, 632997), (61, 466965), (81, 351665), (135, 210999), (183, 155655), (305, 93393), (405, 70333), (549, 51885), (915, 31131), (1153, 24705), (1647, 17295), (2745, 10377), (3459, 8235), (4941, 5765)]