157996761

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2699}}^1$

素因数の和:2813

約数の個数: 32

約数和(自身を含む): 241920000

約数和(自身を除く): 83923239

約数列:

[1, 3, 13, 19, 39, 57, 79, 237, 247, 741, 1027, 1501, 2699, 3081, 4503, 8097, 19513, 35087, 51281, 58539, 105261, 153843, 213221, 639663, 666653, 1999959, 2771873, 4051199, 8315619, 12153597, 52665587, 157996761]

約数ペア:

[(1, 157996761), (3, 52665587), (13, 12153597), (19, 8315619), (39, 4051199), (57, 2771873), (79, 1999959), (237, 666653), (247, 639663), (741, 213221), (1027, 153843), (1501, 105261), (2699, 58539), (3081, 51281), (4503, 35087), (8097, 19513)]