8240421

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4409}}^1$

素因数の和:4508

約数の個数: 16

約数和(自身を含む): 12700800

約数和(自身を除く): 4460379

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 4409, 13227, 30863, 92589, 392401, 1177203, 2746807, 8240421]

約数ペア:

[(1, 8240421), (3, 2746807), (7, 1177203), (21, 392401), (89, 92589), (267, 30863), (623, 13227), (1869, 4409)]