31938039

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3229}}^1$

素因数の和:3399

約数の個数: 24

約数和(自身を含む): 53075360

約数和(自身を除く): 21137321

約数列:

[1, 3, 7, 9, 21, 63, 157, 471, 1099, 1413, 3229, 3297, 9687, 9891, 22603, 29061, 67809, 203427, 506953, 1520859, 3548671, 4562577, 10646013, 31938039]

約数ペア:

[(1, 31938039), (3, 10646013), (7, 4562577), (9, 3548671), (21, 1520859), (63, 506953), (157, 203427), (471, 67809), (1099, 29061), (1413, 22603), (3229, 9891), (3297, 9687)]