18577245

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 30712320

約数和(自身を除く): 12135075

約数列:

[1, 3, 5, 15, 61, 79, 183, 237, 257, 305, 395, 771, 915, 1185, 1285, 3855, 4819, 14457, 15677, 20303, 24095, 47031, 60909, 72285, 78385, 101515, 235155, 304545, 1238483, 3715449, 6192415, 18577245]

約数ペア:

[(1, 18577245), (3, 6192415), (5, 3715449), (15, 1238483), (61, 304545), (79, 235155), (183, 101515), (237, 78385), (257, 72285), (305, 60909), (395, 47031), (771, 24095), (915, 20303), (1185, 15677), (1285, 14457), (3855, 4819)]