26731395

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 49768992

約数和(自身を除く): 23037597

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 83, 85, 153, 249, 255, 415, 421, 747, 765, 1245, 1263, 1411, 2105, 3735, 3789, 4233, 6315, 7055, 7157, 12699, 18945, 21165, 21471, 34943, 35785, 63495, 64413, 104829, 107355, 174715, 314487, 322065, 524145, 594031, 1572435, 1782093, 2970155, 5346279, 8910465, 26731395]

約数ペア:

[(1, 26731395), (3, 8910465), (5, 5346279), (9, 2970155), (15, 1782093), (17, 1572435), (45, 594031), (51, 524145), (83, 322065), (85, 314487), (153, 174715), (249, 107355), (255, 104829), (415, 64413), (421, 63495), (747, 35785), (765, 34943), (1245, 21471), (1263, 21165), (1411, 18945), (2105, 12699), (3735, 7157), (3789, 7055), (4233, 6315)]