917179393

素因数分解:

${\mathrm{13}}^4\times {\mathrm{17}}^1\times {\mathrm{1889}}^1$

素因数の和:1958

約数の個数: 20

約数和(自身を含む): 1052612820

約数和(自身を除く): 135433427

約数列:

[1, 13, 17, 169, 221, 1889, 2197, 2873, 24557, 28561, 32113, 37349, 319241, 417469, 485537, 4150133, 5427097, 53951729, 70552261, 917179393]

約数ペア:

[(1, 917179393), (13, 70552261), (17, 53951729), (169, 5427097), (221, 4150133), (1889, 485537), (2197, 417469), (2873, 319241), (24557, 37349), (28561, 32113)]