18072275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3271}}^1$

素因数の和:3311

約数の個数: 24

約数和(自身を含む): 25560864

約数和(自身を除く): 7488589

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 3271, 5525, 16355, 42523, 55607, 81775, 212615, 278035, 722891, 1063075, 1390175, 3614455, 18072275]

約数ペア:

[(1, 18072275), (5, 3614455), (13, 1390175), (17, 1063075), (25, 722891), (65, 278035), (85, 212615), (221, 81775), (325, 55607), (425, 42523), (1105, 16355), (3271, 5525)]