11956005

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:627

約数の個数: 40

約数和(自身を含む): 21875832

約数和(自身を除く): 9919827

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 557, 795, 1431, 1671, 2385, 2785, 4293, 5013, 7155, 8355, 15039, 21465, 25065, 29521, 45117, 75195, 88563, 147605, 225585, 265689, 442815, 797067, 1328445, 2391201, 3985335, 11956005]

約数ペア:

[(1, 11956005), (3, 3985335), (5, 2391201), (9, 1328445), (15, 797067), (27, 442815), (45, 265689), (53, 225585), (81, 147605), (135, 88563), (159, 75195), (265, 45117), (405, 29521), (477, 25065), (557, 21465), (795, 15039), (1431, 8355), (1671, 7155), (2385, 5013), (2785, 4293)]