81334065

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 133436160

約数和(自身を除く): 52102095

約数列:

[1, 3, 5, 15, 53, 159, 263, 265, 389, 789, 795, 1167, 1315, 1945, 3945, 5835, 13939, 20617, 41817, 61851, 69695, 102307, 103085, 209085, 306921, 309255, 511535, 1534605, 5422271, 16266813, 27111355, 81334065]

約数ペア:

[(1, 81334065), (3, 27111355), (5, 16266813), (15, 5422271), (53, 1534605), (159, 511535), (263, 309255), (265, 306921), (389, 209085), (789, 103085), (795, 102307), (1167, 69695), (1315, 61851), (1945, 41817), (3945, 20617), (5835, 13939)]