31315405

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 41674752

約数和(自身を除く): 10359347

約数列:

[1, 5, 11, 55, 121, 191, 271, 605, 955, 1355, 2101, 2981, 10505, 14905, 23111, 32791, 51761, 115555, 163955, 258805, 569371, 2846855, 6263081, 31315405]

約数ペア:

[(1, 31315405), (5, 6263081), (11, 2846855), (55, 569371), (121, 258805), (191, 163955), (271, 115555), (605, 51761), (955, 32791), (1355, 23111), (2101, 14905), (2981, 10505)]