128553621

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{1091}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 203513856

約数和(自身を除く): 74960235

約数列:

[1, 3, 7, 21, 31, 93, 181, 217, 543, 651, 1091, 1267, 3273, 3801, 5611, 7637, 16833, 22911, 33821, 39277, 101463, 117831, 197471, 236747, 592413, 710241, 1382297, 4146891, 6121601, 18364803, 42851207, 128553621]

約数ペア:

[(1, 128553621), (3, 42851207), (7, 18364803), (21, 6121601), (31, 4146891), (93, 1382297), (181, 710241), (217, 592413), (543, 236747), (651, 197471), (1091, 117831), (1267, 101463), (3273, 39277), (3801, 33821), (5611, 22911), (7637, 16833)]