388261731

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{2521}}^1$

素因数の和:2907

約数の個数: 32

約数和(自身を含む): 610122240

約数和(自身を除く): 221860509

約数列:

[1, 3, 11, 13, 33, 39, 143, 359, 429, 1077, 2521, 3949, 4667, 7563, 11847, 14001, 27731, 32773, 51337, 83193, 98319, 154011, 360503, 905039, 1081509, 2715117, 9955429, 11765507, 29866287, 35296521, 129420577, 388261731]

約数ペア:

[(1, 388261731), (3, 129420577), (11, 35296521), (13, 29866287), (33, 11765507), (39, 9955429), (143, 2715117), (359, 1081509), (429, 905039), (1077, 360503), (2521, 154011), (3949, 98319), (4667, 83193), (7563, 51337), (11847, 32773), (14001, 27731)]