13809865

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 18567360

約数和(自身を除く): 4757495

約数列:

[1, 5, 17, 19, 85, 95, 289, 323, 503, 1445, 1615, 2515, 5491, 8551, 9557, 27455, 42755, 47785, 145367, 162469, 726835, 812345, 2761973, 13809865]

約数ペア:

[(1, 13809865), (5, 2761973), (17, 812345), (19, 726835), (85, 162469), (95, 145367), (289, 47785), (323, 42755), (503, 27455), (1445, 9557), (1615, 8551), (2515, 5491)]