12917432871

素因数分解:

$3^2\times 7^2\times {\mathrm{211}}^1\times {\mathrm{138821}}^1$

素因数の和:139052

約数の個数: 36

約数和(自身を含む): 21807825624

約数和(自身を除く): 8890392753

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 211, 441, 633, 1477, 1899, 4431, 10339, 13293, 31017, 93051, 138821, 416463, 971747, 1249389, 2915241, 6802229, 8745723, 20406687, 29291231, 61220061, 87873693, 205038617, 263621079, 615115851, 1435270319, 1845347553, 4305810957, 12917432871]

約数ペア:

[(1, 12917432871), (3, 4305810957), (7, 1845347553), (9, 1435270319), (21, 615115851), (49, 263621079), (63, 205038617), (147, 87873693), (211, 61220061), (441, 29291231), (633, 20406687), (1477, 8745723), (1899, 6802229), (4431, 2915241), (10339, 1249389), (13293, 971747), (31017, 416463), (93051, 138821)]