31389045

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{457}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 53201280

約数和(自身を除く): 21812235

約数列:

[1, 3, 5, 15, 19, 57, 95, 241, 285, 457, 723, 1205, 1371, 2285, 3615, 4579, 6855, 8683, 13737, 22895, 26049, 43415, 68685, 110137, 130245, 330411, 550685, 1652055, 2092603, 6277809, 10463015, 31389045]

約数ペア:

[(1, 31389045), (3, 10463015), (5, 6277809), (15, 2092603), (19, 1652055), (57, 550685), (95, 330411), (241, 130245), (285, 110137), (457, 68685), (723, 43415), (1205, 26049), (1371, 22895), (2285, 13737), (3615, 8683), (4579, 6855)]