90440631

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{21067}}^1$

素因数の和:21132

約数の個数: 20

約数和(自身を含む): 137658312

約数和(自身を除く): 47217681

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 21067, 63201, 189603, 568809, 1116551, 1706427, 3349653, 10048959, 30146877, 90440631]

約数ペア:

[(1, 90440631), (3, 30146877), (9, 10048959), (27, 3349653), (53, 1706427), (81, 1116551), (159, 568809), (477, 189603), (1431, 63201), (4293, 21067)]