890789121

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{571}}^1\times {\mathrm{1787}}^1$

素因数の和:2461

約数の個数: 24

約数和(自身を含む): 1302965664

約数和(自身を除く): 412176543

約数列:

[1, 3, 9, 97, 291, 571, 873, 1713, 1787, 5139, 5361, 16083, 55387, 166161, 173339, 498483, 520017, 1020377, 1560051, 3061131, 9183393, 98976569, 296929707, 890789121]

約数ペア:

[(1, 890789121), (3, 296929707), (9, 98976569), (97, 9183393), (291, 3061131), (571, 1560051), (873, 1020377), (1713, 520017), (1787, 498483), (5139, 173339), (5361, 166161), (16083, 55387)]