18167121

素因数分解:

$3^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{631}}^1$

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 30103424

約数和(自身を除く): 11936303

約数列:

[1, 3, 7, 9, 21, 63, 457, 631, 1371, 1893, 3199, 4113, 4417, 5679, 9597, 13251, 28791, 39753, 288367, 865101, 2018569, 2595303, 6055707, 18167121]

約数ペア:

[(1, 18167121), (3, 6055707), (7, 2595303), (9, 2018569), (21, 865101), (63, 288367), (457, 39753), (631, 28791), (1371, 13251), (1893, 9597), (3199, 5679), (4113, 4417)]