18127215

素因数分解:

$3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1217}}^1$

素因数の和:1559

約数の個数: 24

約数和(自身を含む): 31541328

約数和(自身を除く): 13414113

約数列:

[1, 3, 5, 9, 15, 45, 331, 993, 1217, 1655, 2979, 3651, 4965, 6085, 10953, 14895, 18255, 54765, 402827, 1208481, 2014135, 3625443, 6042405, 18127215]

約数ペア:

[(1, 18127215), (3, 6042405), (5, 3625443), (9, 2014135), (15, 1208481), (45, 402827), (331, 54765), (993, 18255), (1217, 14895), (1655, 10953), (2979, 6085), (3651, 4965)]