9003005

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 12410496

約数和(自身を除く): 3407491

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 647, 1265, 2783, 3235, 7117, 13915, 14881, 35585, 74405, 78287, 163691, 391435, 818455, 1800601, 9003005]

約数ペア:

[(1, 9003005), (5, 1800601), (11, 818455), (23, 391435), (55, 163691), (115, 78287), (121, 74405), (253, 35585), (605, 14881), (647, 13915), (1265, 7117), (2783, 3235)]