87278985

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4339}}^1$

素因数の和:4502

約数の個数: 32

約数和(自身を含む): 156240000

約数和(自身を除く): 68961015

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 1341, 2235, 4023, 4339, 6705, 13017, 20115, 21695, 39051, 65085, 117153, 195255, 585765, 646511, 1939533, 3232555, 5818599, 9697665, 17455797, 29092995, 87278985]

約数ペア:

[(1, 87278985), (3, 29092995), (5, 17455797), (9, 9697665), (15, 5818599), (27, 3232555), (45, 1939533), (135, 646511), (149, 585765), (447, 195255), (745, 117153), (1341, 65085), (2235, 39051), (4023, 21695), (4339, 20115), (6705, 13017)]