39913293

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 65007360

約数和(自身を除く): 25094067

約数列:

[1, 3, 7, 21, 47, 49, 53, 109, 141, 147, 159, 327, 329, 371, 763, 987, 1113, 2289, 2303, 2491, 2597, 5123, 5341, 5777, 6909, 7473, 7791, 15369, 16023, 17331, 17437, 35861, 40439, 52311, 107583, 121317, 122059, 251027, 271519, 283073, 366177, 753081, 814557, 849219, 1900633, 5701899, 13304431, 39913293]

約数ペア:

[(1, 39913293), (3, 13304431), (7, 5701899), (21, 1900633), (47, 849219), (49, 814557), (53, 753081), (109, 366177), (141, 283073), (147, 271519), (159, 251027), (327, 122059), (329, 121317), (371, 107583), (763, 52311), (987, 40439), (1113, 35861), (2289, 17437), (2303, 17331), (2491, 16023), (2597, 15369), (5123, 7791), (5341, 7473), (5777, 6909)]