31336947

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{457}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 47870160

約数和(自身を除く): 16533213

約数列:

[1, 3, 9, 19, 57, 171, 401, 457, 1203, 1371, 3609, 4113, 7619, 8683, 22857, 26049, 68571, 78147, 183257, 549771, 1649313, 3481883, 10445649, 31336947]

約数ペア:

[(1, 31336947), (3, 10445649), (9, 3481883), (19, 1649313), (57, 549771), (171, 183257), (401, 78147), (457, 68571), (1203, 26049), (1371, 22857), (3609, 8683), (4113, 7619)]