9979255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 14914368

約数和(自身を除く): 4935113

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 821, 935, 1105, 2431, 4105, 9031, 10673, 12155, 13957, 45155, 53365, 69785, 117403, 153527, 181441, 587015, 767635, 907205, 1995851, 9979255]

約数ペア:

[(1, 9979255), (5, 1995851), (11, 907205), (13, 767635), (17, 587015), (55, 181441), (65, 153527), (85, 117403), (143, 69785), (187, 53365), (221, 45155), (715, 13957), (821, 12155), (935, 10673), (1105, 9031), (2431, 4105)]