142151405

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{234961}}^1$

素因数の和:234988

約数の個数: 12

約数和(自身を含む): 187499676

約数和(自身を除く): 45348271

約数列:

[1, 5, 11, 55, 121, 605, 234961, 1174805, 2584571, 12922855, 28430281, 142151405]

約数ペア:

[(1, 142151405), (5, 28430281), (11, 12922855), (55, 2584571), (121, 1174805), (605, 234961)]