18450243

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4801}}^1$

素因数の和:4875

約数の個数: 24

約数和(自身を含む): 30963296

約数和(自身を除く): 12513053

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 4801, 14403, 33607, 43209, 100821, 292861, 302463, 878583, 2050027, 2635749, 6150081, 18450243]

約数ペア:

[(1, 18450243), (3, 6150081), (7, 2635749), (9, 2050027), (21, 878583), (61, 302463), (63, 292861), (183, 100821), (427, 43209), (549, 33607), (1281, 14403), (3843, 4801)]