142072021

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{823}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 178854144

約数和(自身を除く): 36782123

約数列:

[1, 7, 13, 49, 91, 271, 637, 823, 1897, 3523, 5761, 10699, 13279, 24661, 40327, 74893, 172627, 223033, 524251, 1561231, 2899429, 10928617, 20296003, 142072021]

約数ペア:

[(1, 142072021), (7, 20296003), (13, 10928617), (49, 2899429), (91, 1561231), (271, 524251), (637, 223033), (823, 172627), (1897, 74893), (3523, 40327), (5761, 24661), (10699, 13279)]