13581405

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2719}}^1$

素因数の和:2770

約数の個数: 32

約数和(自身を含む): 24806400

約数和(自身を除く): 11224995

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 2719, 4995, 8157, 13595, 24471, 40785, 73413, 100603, 122355, 301809, 367065, 503015, 905427, 1509045, 2716281, 4527135, 13581405]

約数ペア:

[(1, 13581405), (3, 4527135), (5, 2716281), (9, 1509045), (15, 905427), (27, 503015), (37, 367065), (45, 301809), (111, 122355), (135, 100603), (185, 73413), (333, 40785), (555, 24471), (999, 13595), (1665, 8157), (2719, 4995)]