31687353

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3257}}^1$

素因数の和:3333

約数の個数: 24

約数和(自身を含む): 48791808

約数和(自身を除く): 17104455

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 3243, 3257, 9729, 9771, 29313, 74911, 153079, 224733, 459237, 674199, 1377711, 3520817, 10562451, 31687353]

約数ペア:

[(1, 31687353), (3, 10562451), (9, 3520817), (23, 1377711), (47, 674199), (69, 459237), (141, 224733), (207, 153079), (423, 74911), (1081, 29313), (3243, 9771), (3257, 9729)]