3126981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 5056128

約数和(自身を除く): 1929147

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 197, 407, 429, 481, 591, 1221, 1443, 2167, 2561, 5291, 6501, 7289, 7683, 15873, 21867, 28171, 80179, 84513, 94757, 240537, 284271, 1042327, 3126981]

約数ペア:

[(1, 3126981), (3, 1042327), (11, 284271), (13, 240537), (33, 94757), (37, 84513), (39, 80179), (111, 28171), (143, 21867), (197, 15873), (407, 7683), (429, 7289), (481, 6501), (591, 5291), (1221, 2561), (1443, 2167)]