18252075

素因数分解:

$3^1\times 5^2\times {\mathrm{397}}^1\times {\mathrm{613}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 30302128

約数和(自身を除く): 12050053

約数列:

[1, 3, 5, 15, 25, 75, 397, 613, 1191, 1839, 1985, 3065, 5955, 9195, 9925, 15325, 29775, 45975, 243361, 730083, 1216805, 3650415, 6084025, 18252075]

約数ペア:

[(1, 18252075), (3, 6084025), (5, 3650415), (15, 1216805), (25, 730083), (75, 243361), (397, 45975), (613, 29775), (1191, 15325), (1839, 9925), (1985, 9195), (3065, 5955)]