31301151

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1601}}^1$

素因数の和:1644

約数の個数: 32

約数和(自身を含む): 51264000

約数和(自身を除く): 19962849

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 1601, 2793, 4803, 6517, 11207, 19551, 30419, 33621, 78449, 91257, 212933, 235347, 549143, 638799, 1490531, 1647429, 4471593, 10433717, 31301151]

約数ペア:

[(1, 31301151), (3, 10433717), (7, 4471593), (19, 1647429), (21, 1490531), (49, 638799), (57, 549143), (133, 235347), (147, 212933), (343, 91257), (399, 78449), (931, 33621), (1029, 30419), (1601, 19551), (2793, 11207), (4803, 6517)]