12885915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7219}}^1$

素因数の和:7251

約数の個数: 32

約数和(自身を含む): 24952320

約数和(自身を除く): 12066405

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 7219, 21657, 36095, 50533, 108285, 122723, 151599, 252665, 368169, 613615, 757995, 859061, 1840845, 2577183, 4295305, 12885915]

約数ペア:

[(1, 12885915), (3, 4295305), (5, 2577183), (7, 1840845), (15, 859061), (17, 757995), (21, 613615), (35, 368169), (51, 252665), (85, 151599), (105, 122723), (119, 108285), (255, 50533), (357, 36095), (595, 21657), (1785, 7219)]