157218711

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{641}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 238721280

約数和(自身を除く): 81502569

約数列:

[1, 3, 13, 19, 39, 57, 247, 331, 641, 741, 993, 1923, 4303, 6289, 8333, 12179, 12909, 18867, 24999, 36537, 81757, 158327, 212171, 245271, 474981, 636513, 2758223, 4031249, 8274669, 12093747, 52406237, 157218711]

約数ペア:

[(1, 157218711), (3, 52406237), (13, 12093747), (19, 8274669), (39, 4031249), (57, 2758223), (247, 636513), (331, 474981), (641, 245271), (741, 212171), (993, 158327), (1923, 81757), (4303, 36537), (6289, 24999), (8333, 18867), (12179, 12909)]