161531421

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{593}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 232657920

約数和(自身を除く): 71126499

約数列:

[1, 3, 29, 31, 87, 93, 101, 303, 593, 899, 1779, 2697, 2929, 3131, 8787, 9393, 17197, 18383, 51591, 55149, 59893, 90799, 179679, 272397, 533107, 1599321, 1736897, 1856683, 5210691, 5570049, 53843807, 161531421]

約数ペア:

[(1, 161531421), (3, 53843807), (29, 5570049), (31, 5210691), (87, 1856683), (93, 1736897), (101, 1599321), (303, 533107), (593, 272397), (899, 179679), (1779, 90799), (2697, 59893), (2929, 55149), (3131, 51591), (8787, 18383), (9393, 17197)]