12717225

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1949}}^1$

素因数の和:1994

約数の個数: 36

約数和(自身を含む): 23575500

約数和(自身を除く): 10858275

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 1949, 2175, 5847, 6525, 9745, 17541, 29235, 48725, 56521, 87705, 146175, 169563, 282605, 438525, 508689, 847815, 1413025, 2543445, 4239075, 12717225]

約数ペア:

[(1, 12717225), (3, 4239075), (5, 2543445), (9, 1413025), (15, 847815), (25, 508689), (29, 438525), (45, 282605), (75, 169563), (87, 146175), (145, 87705), (225, 56521), (261, 48725), (435, 29235), (725, 17541), (1305, 9745), (1949, 6525), (2175, 5847)]