81188865

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{9859}}^1$

素因数の和:9934

約数の個数: 32

約数和(自身を含む): 146716800

約数和(自身を除く): 65527935

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2745, 8235, 9859, 29577, 49295, 88731, 147885, 266193, 443655, 601399, 1330965, 1804197, 3006995, 5412591, 9020985, 16237773, 27062955, 81188865]

約数ペア:

[(1, 81188865), (3, 27062955), (5, 16237773), (9, 9020985), (15, 5412591), (27, 3006995), (45, 1804197), (61, 1330965), (135, 601399), (183, 443655), (305, 266193), (549, 147885), (915, 88731), (1647, 49295), (2745, 29577), (8235, 9859)]