291208323

素因数分解:

$3^1\times 7^2\times {\mathrm{991}}^1\times {\mathrm{1999}}^1$

素因数の和:3007

約数の個数: 24

約数和(自身を含む): 452352000

約数和(自身を除く): 161143677

約数列:

[1, 3, 7, 21, 49, 147, 991, 1999, 2973, 5997, 6937, 13993, 20811, 41979, 48559, 97951, 145677, 293853, 1981009, 5943027, 13867063, 41601189, 97069441, 291208323]

約数ペア:

[(1, 291208323), (3, 97069441), (7, 41601189), (21, 13867063), (49, 5943027), (147, 1981009), (991, 293853), (1999, 145677), (2973, 97951), (5997, 48559), (6937, 41979), (13993, 20811)]