131405729

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{76001}}^1$

素因数の和:76040

約数の個数: 16

約数和(自身を含む): 170244480

約数和(自身を除く): 38838751

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 76001, 532007, 988013, 1444019, 6916091, 10108133, 18772247, 131405729]

約数ペア:

[(1, 131405729), (7, 18772247), (13, 10108133), (19, 6916091), (91, 1444019), (133, 988013), (247, 532007), (1729, 76001)]