47721021

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{4243}}^1$

素因数の和:4432

約数の個数: 16

約数和(自身を含む): 66817536

約数和(自身を除く): 19096515

約数列:

[1, 3, 23, 69, 163, 489, 3749, 4243, 11247, 12729, 97589, 292767, 691609, 2074827, 15907007, 47721021]

約数ペア:

[(1, 47721021), (3, 15907007), (23, 2074827), (69, 691609), (163, 292767), (489, 97589), (3749, 12729), (4243, 11247)]