91031941

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{431}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 123088896

約数和(自身を除く): 32056955

約数列:

[1, 7, 11, 13, 77, 91, 143, 211, 431, 1001, 1477, 2321, 2743, 3017, 4741, 5603, 16247, 19201, 30173, 33187, 39221, 61633, 90941, 211211, 431431, 636587, 1000351, 1182233, 7002457, 8275631, 13004563, 91031941]

約数ペア:

[(1, 91031941), (7, 13004563), (11, 8275631), (13, 7002457), (77, 1182233), (91, 1000351), (143, 636587), (211, 431431), (431, 211211), (1001, 90941), (1477, 61633), (2321, 39221), (2743, 33187), (3017, 30173), (4741, 19201), (5603, 16247)]