81445623

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{228139}}^1$

素因数の和:228166

約数の個数: 16

約数和(自身を含む): 131408640

約数和(自身を除く): 49963017

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 228139, 684417, 1596973, 3878363, 4790919, 11635089, 27148541, 81445623]

約数ペア:

[(1, 81445623), (3, 27148541), (7, 11635089), (17, 4790919), (21, 3878363), (51, 1596973), (119, 684417), (357, 228139)]