72347457

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6163}}^1$

素因数の和:6229

約数の個数: 32

約数和(自身を含む): 121504768

約数和(自身を除く): 49157311

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 3913, 6163, 11739, 18489, 43141, 80119, 129423, 240357, 265009, 560833, 795027, 1682499, 1855063, 3445117, 5565189, 10335351, 24115819, 72347457]

約数ペア:

[(1, 72347457), (3, 24115819), (7, 10335351), (13, 5565189), (21, 3445117), (39, 1855063), (43, 1682499), (91, 795027), (129, 560833), (273, 265009), (301, 240357), (559, 129423), (903, 80119), (1677, 43141), (3913, 18489), (6163, 11739)]