7920017

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 9959040

約数和(自身を除く): 2039023

約数列:

[1, 7, 19, 47, 49, 133, 181, 329, 893, 931, 1267, 2303, 3439, 6251, 8507, 8869, 24073, 43757, 59549, 161633, 168511, 416843, 1131431, 7920017]

約数ペア:

[(1, 7920017), (7, 1131431), (19, 416843), (47, 168511), (49, 161633), (133, 59549), (181, 43757), (329, 24073), (893, 8869), (931, 8507), (1267, 6251), (2303, 3439)]