17970775

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 23215280

約数和(自身を除く): 5244505

約数列:

[1, 5, 25, 43, 73, 215, 229, 365, 1075, 1145, 1825, 3139, 5725, 9847, 15695, 16717, 49235, 78475, 83585, 246175, 417925, 718831, 3594155, 17970775]

約数ペア:

[(1, 17970775), (5, 3594155), (25, 718831), (43, 417925), (73, 246175), (215, 83585), (229, 78475), (365, 49235), (1075, 16717), (1145, 15695), (1825, 9847), (3139, 5725)]