121818221

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{3251}}^1$

素因数の和:3412

約数の個数: 16

約数和(自身を含む): 143296128

約数和(自身を除く): 21477907

約数列:

[1, 7, 53, 101, 371, 707, 3251, 5353, 22757, 37471, 172303, 328351, 1206121, 2298457, 17402603, 121818221]

約数ペア:

[(1, 121818221), (7, 17402603), (53, 2298457), (101, 1206121), (371, 328351), (707, 172303), (3251, 37471), (5353, 22757)]