126747257

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{81931}}^1$

素因数の和:81968

約数の個数: 16

約数和(自身を含む): 165174912

約数和(自身を除く): 38427655

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 81931, 573517, 1065103, 1392827, 7455721, 9749789, 18106751, 126747257]

約数ペア:

[(1, 126747257), (7, 18106751), (13, 9749789), (17, 7455721), (91, 1392827), (119, 1065103), (221, 573517), (1547, 81931)]