129355821

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{7307}}^1$

素因数の和:7601

約数の個数: 24

約数和(自身を含む): 214329024

約数和(自身を除く): 84973203

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1967, 2529, 5901, 7307, 17703, 21921, 51149, 65763, 153447, 460341, 2053267, 6159801, 14372869, 18479403, 43118607, 129355821]

約数ペア:

[(1, 129355821), (3, 43118607), (7, 18479403), (9, 14372869), (21, 6159801), (63, 2053267), (281, 460341), (843, 153447), (1967, 65763), (2529, 51149), (5901, 21921), (7307, 17703)]