81664665

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 133920000

約数和(自身を除く): 52255335

約数列:

[1, 3, 5, 15, 61, 149, 183, 305, 447, 599, 745, 915, 1797, 2235, 2995, 8985, 9089, 27267, 36539, 45445, 89251, 109617, 136335, 182695, 267753, 446255, 548085, 1338765, 5444311, 16332933, 27221555, 81664665]

約数ペア:

[(1, 81664665), (3, 27221555), (5, 16332933), (15, 5444311), (61, 1338765), (149, 548085), (183, 446255), (305, 267753), (447, 182695), (599, 136335), (745, 109617), (915, 89251), (1797, 45445), (2235, 36539), (2995, 27267), (8985, 9089)]