202120009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{8849}}^1$

素因数の和:9120

約数の個数: 16

約数和(自身を含む): 249782400

約数和(自身を除く): 47662391

約数列:

[1, 7, 13, 91, 251, 1757, 3263, 8849, 22841, 61943, 115037, 805259, 2221099, 15547693, 28874287, 202120009]

約数ペア:

[(1, 202120009), (7, 28874287), (13, 15547693), (91, 2221099), (251, 805259), (1757, 115037), (3263, 61943), (8849, 22841)]