123156957

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1237}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 205369344

約数和(自身を除く): 82212387

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 431, 1237, 1293, 3017, 3711, 4741, 8659, 9051, 13607, 14223, 25977, 33187, 40821, 95249, 99561, 285747, 533147, 1599441, 3732029, 5864617, 11196087, 17593851, 41052319, 123156957]

約数ペア:

[(1, 123156957), (3, 41052319), (7, 17593851), (11, 11196087), (21, 5864617), (33, 3732029), (77, 1599441), (231, 533147), (431, 285747), (1237, 99561), (1293, 95249), (3017, 40821), (3711, 33187), (4741, 25977), (8659, 14223), (9051, 13607)]