71591481

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{277}}^1$

素因数の和:390

約数の個数: 36

約数和(自身を含む): 114195172

約数和(自身を除く): 42603691

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 277, 423, 611, 831, 1833, 2209, 2493, 3601, 5499, 6627, 10803, 13019, 19881, 28717, 32409, 39057, 86151, 117171, 169247, 258453, 507741, 611893, 1523223, 1835679, 5507037, 7954609, 23863827, 71591481]

約数ペア:

[(1, 71591481), (3, 23863827), (9, 7954609), (13, 5507037), (39, 1835679), (47, 1523223), (117, 611893), (141, 507741), (277, 258453), (423, 169247), (611, 117171), (831, 86151), (1833, 39057), (2209, 32409), (2493, 28717), (3601, 19881), (5499, 13019), (6627, 10803)]