91021931

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{90931}}^1$

素因数の和:90962

約数の個数: 16

約数和(自身を含む): 122212608

約数和(自身を除く): 31190677

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 90931, 636517, 1000241, 1182103, 7001687, 8274721, 13003133, 91021931]

約数ペア:

[(1, 91021931), (7, 13003133), (11, 8274721), (13, 7001687), (77, 1182103), (91, 1000241), (143, 636517), (1001, 90931)]