389997663

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{6883}}^1$

素因数の和:7015

約数の個数: 32

約数和(自身を含む): 606673152

約数和(自身を除く): 216675489

約数列:

[1, 3, 11, 17, 33, 51, 101, 187, 303, 561, 1111, 1717, 3333, 5151, 6883, 18887, 20649, 56661, 75713, 117011, 227139, 351033, 695183, 1287121, 2085549, 3861363, 7647013, 11818111, 22941039, 35454333, 129999221, 389997663]

約数ペア:

[(1, 389997663), (3, 129999221), (11, 35454333), (17, 22941039), (33, 11818111), (51, 7647013), (101, 3861363), (187, 2085549), (303, 1287121), (561, 695183), (1111, 351033), (1717, 227139), (3333, 117011), (5151, 75713), (6883, 56661), (18887, 20649)]