81076515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 149452800

約数和(自身を除く): 68376285

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 79, 95, 195, 237, 247, 277, 285, 395, 741, 831, 1027, 1185, 1235, 1385, 1501, 3081, 3601, 3705, 4155, 4503, 5135, 5263, 7505, 10803, 15405, 15789, 18005, 19513, 21883, 22515, 26315, 54015, 58539, 65649, 68419, 78945, 97565, 109415, 205257, 284479, 292695, 328245, 342095, 415777, 853437, 1026285, 1247331, 1422395, 2078885, 4267185, 5405101, 6236655, 16215303, 27025505, 81076515]

約数ペア:

[(1, 81076515), (3, 27025505), (5, 16215303), (13, 6236655), (15, 5405101), (19, 4267185), (39, 2078885), (57, 1422395), (65, 1247331), (79, 1026285), (95, 853437), (195, 415777), (237, 342095), (247, 328245), (277, 292695), (285, 284479), (395, 205257), (741, 109415), (831, 97565), (1027, 78945), (1185, 68419), (1235, 65649), (1385, 58539), (1501, 54015), (3081, 26315), (3601, 22515), (3705, 21883), (4155, 19513), (4503, 18005), (5135, 15789), (5263, 15405), (7505, 10803)]