218857581

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{673}}^1\times {\mathrm{1571}}^1$

素因数の和:2273

約数の個数: 24

約数和(自身を含む): 330572736

約数和(自身を除く): 111715155

約数列:

[1, 3, 9, 23, 69, 207, 673, 1571, 2019, 4713, 6057, 14139, 15479, 36133, 46437, 108399, 139311, 325197, 1057283, 3171849, 9515547, 24317509, 72952527, 218857581]

約数ペア:

[(1, 218857581), (3, 72952527), (9, 24317509), (23, 9515547), (69, 3171849), (207, 1057283), (673, 325197), (1571, 139311), (2019, 108399), (4713, 46437), (6057, 36133), (14139, 15479)]