15225225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4721}}^1$

素因数の和:4777

約数の個数: 24

約数和(自身を含む): 25763232

約数和(自身を除く): 10538007

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 4721, 14163, 23605, 70815, 118025, 203003, 354075, 609009, 1015015, 3045045, 5075075, 15225225]

約数ペア:

[(1, 15225225), (3, 5075075), (5, 3045045), (15, 1015015), (25, 609009), (43, 354075), (75, 203003), (129, 118025), (215, 70815), (645, 23605), (1075, 14163), (3225, 4721)]