156978393

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1321}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 246970752

約数和(自身を除く): 89992359

約数列:

[1, 3, 11, 13, 33, 39, 143, 277, 429, 831, 1321, 3047, 3601, 3963, 9141, 10803, 14531, 17173, 39611, 43593, 51519, 118833, 188903, 365917, 566709, 1097751, 4025087, 4756921, 12075261, 14270763, 52326131, 156978393]

約数ペア:

[(1, 156978393), (3, 52326131), (11, 14270763), (13, 12075261), (33, 4756921), (39, 4025087), (143, 1097751), (277, 566709), (429, 365917), (831, 188903), (1321, 118833), (3047, 51519), (3601, 43593), (3963, 39611), (9141, 17173), (10803, 14531)]