139908181

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3169}}^1$

素因数の和:3253

約数の個数: 24

約数和(自身を含む): 175630680

約数和(自身を除く): 35722499

約数列:

[1, 7, 17, 49, 53, 119, 371, 833, 901, 2597, 3169, 6307, 22183, 44149, 53873, 155281, 167957, 377111, 1175699, 2639777, 2855269, 8229893, 19986883, 139908181]

約数ペア:

[(1, 139908181), (7, 19986883), (17, 8229893), (49, 2855269), (53, 2639777), (119, 1175699), (371, 377111), (833, 167957), (901, 155281), (2597, 53873), (3169, 44149), (6307, 22183)]