71572137

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{641}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 117922560

約数和(自身を除く): 46350423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 409, 641, 1227, 1923, 2863, 4487, 5317, 8333, 8589, 13461, 15951, 24999, 37219, 58331, 111657, 174993, 262169, 786507, 1835183, 3408197, 5505549, 10224591, 23857379, 71572137]

約数ペア:

[(1, 71572137), (3, 23857379), (7, 10224591), (13, 5505549), (21, 3408197), (39, 1835183), (91, 786507), (273, 262169), (409, 174993), (641, 111657), (1227, 58331), (1923, 37219), (2863, 24999), (4487, 15951), (5317, 13461), (8333, 8589)]