201545865

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{25889}}^1$

素因数の和:26073

約数の個数: 24

約数和(自身を含む): 351379080

約数和(自身を除く): 149833215

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 2595, 7785, 25889, 77667, 129445, 233001, 388335, 1165005, 4478797, 13436391, 22393985, 40309173, 67181955, 201545865]

約数ペア:

[(1, 201545865), (3, 67181955), (5, 40309173), (9, 22393985), (15, 13436391), (45, 4478797), (173, 1165005), (519, 388335), (865, 233001), (1557, 129445), (2595, 77667), (7785, 25889)]