8161905

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{647}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 13545792

約数和(自身を除く): 5383887

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 647, 841, 1941, 2523, 3235, 4205, 9705, 12615, 18763, 56289, 93815, 281445, 544127, 1632381, 2720635, 8161905]

約数ペア:

[(1, 8161905), (3, 2720635), (5, 1632381), (15, 544127), (29, 281445), (87, 93815), (145, 56289), (435, 18763), (647, 12615), (841, 9705), (1941, 4205), (2523, 3235)]