81618663

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{8287}}^1$

素因数の和:8371

約数の個数: 24

約数和(自身を含む): 128497152

約数和(自身を除く): 46878489

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 469, 1407, 3283, 8287, 9849, 24861, 58009, 174027, 406063, 555229, 1218189, 1665687, 3886603, 11659809, 27206221, 81618663]

約数ペア:

[(1, 81618663), (3, 27206221), (7, 11659809), (21, 3886603), (49, 1665687), (67, 1218189), (147, 555229), (201, 406063), (469, 174027), (1407, 58009), (3283, 24861), (8287, 9849)]