18351279

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13327}}^1$

素因数の和:13356

約数の個数: 20

約数和(自身を含む): 29028384

約数和(自身を除く): 10677105

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13327, 39981, 119943, 226559, 359829, 679677, 1079487, 2039031, 6117093, 18351279]

約数ペア:

[(1, 18351279), (3, 6117093), (9, 2039031), (17, 1079487), (27, 679677), (51, 359829), (81, 226559), (153, 119943), (459, 39981), (1377, 13327)]