56357133

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 88704000

約数和(自身を除く): 32346867

約数列:

[1, 3, 7, 21, 43, 129, 139, 301, 417, 449, 903, 973, 1347, 2919, 3143, 5977, 9429, 17931, 19307, 41839, 57921, 62411, 125517, 135149, 187233, 405447, 436877, 1310631, 2683673, 8051019, 18785711, 56357133]

約数ペア:

[(1, 56357133), (3, 18785711), (7, 8051019), (21, 2683673), (43, 1310631), (129, 436877), (139, 405447), (301, 187233), (417, 135149), (449, 125517), (903, 62411), (973, 57921), (1347, 41839), (2919, 19307), (3143, 17931), (5977, 9429)]