313638857

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{31531}}^1$

素因数の和:31581

約数の個数: 16

約数和(自身を含む): 378384000

約数和(自身を除く): 64745143

約数列:

[1, 7, 29, 49, 203, 343, 1421, 9947, 31531, 220717, 914399, 1545019, 6400793, 10815133, 44805551, 313638857]

約数ペア:

[(1, 313638857), (7, 44805551), (29, 10815133), (49, 6400793), (203, 1545019), (343, 914399), (1421, 220717), (9947, 31531)]