18168255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 36339264

約数和(自身を除く): 18171009

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 137, 315, 411, 421, 685, 959, 1233, 1263, 2055, 2105, 2877, 2947, 3789, 4795, 6165, 6315, 8631, 8841, 14385, 14735, 18945, 26523, 43155, 44205, 57677, 132615, 173031, 288385, 403739, 519093, 865155, 1211217, 2018695, 2595465, 3633651, 6056085, 18168255]

約数ペア:

[(1, 18168255), (3, 6056085), (5, 3633651), (7, 2595465), (9, 2018695), (15, 1211217), (21, 865155), (35, 519093), (45, 403739), (63, 288385), (105, 173031), (137, 132615), (315, 57677), (411, 44205), (421, 43155), (685, 26523), (959, 18945), (1233, 14735), (1263, 14385), (2055, 8841), (2105, 8631), (2877, 6315), (2947, 6165), (3789, 4795)]