18713241

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{5059}}^1$

素因数の和:5205

約数の個数: 16

約数和(自身を含む): 27931200

約数和(自身を除く): 9217959

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 5059, 15177, 45531, 136593, 693083, 2079249, 6237747, 18713241]

約数ペア:

[(1, 18713241), (3, 6237747), (9, 2079249), (27, 693083), (137, 136593), (411, 45531), (1233, 15177), (3699, 5059)]