25169571

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 44748288

約数和(自身を除く): 19578717

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 71, 119, 153, 213, 331, 357, 497, 639, 993, 1071, 1207, 1491, 2317, 2979, 3621, 4473, 5627, 6951, 8449, 10863, 16881, 20853, 23501, 25347, 39389, 50643, 70503, 76041, 118167, 164507, 211509, 354501, 399517, 493521, 1198551, 1480563, 2796619, 3595653, 8389857, 25169571]

約数ペア:

[(1, 25169571), (3, 8389857), (7, 3595653), (9, 2796619), (17, 1480563), (21, 1198551), (51, 493521), (63, 399517), (71, 354501), (119, 211509), (153, 164507), (213, 118167), (331, 76041), (357, 70503), (497, 50643), (639, 39389), (993, 25347), (1071, 23501), (1207, 20853), (1491, 16881), (2317, 10863), (2979, 8449), (3621, 6951), (4473, 5627)]