18115407

素因数分解:

$3^5\times {\mathrm{127}}^1\times {\mathrm{587}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 27396096

約数和(自身を除く): 9280689

約数列:

[1, 3, 9, 27, 81, 127, 243, 381, 587, 1143, 1761, 3429, 5283, 10287, 15849, 30861, 47547, 74549, 142641, 223647, 670941, 2012823, 6038469, 18115407]

約数ペア:

[(1, 18115407), (3, 6038469), (9, 2012823), (27, 670941), (81, 223647), (127, 142641), (243, 74549), (381, 47547), (587, 30861), (1143, 15849), (1761, 10287), (3429, 5283)]