85219281

素因数分解:

$3^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{1117}}^1$

素因数の和:1310

約数の個数: 36

約数和(自身を含む): 144148212

約数和(自身を除く): 58928931

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 173, 441, 519, 1117, 1211, 1557, 3351, 3633, 7819, 8477, 10053, 10899, 23457, 25431, 54733, 70371, 76293, 164199, 193241, 492597, 579723, 1352687, 1739169, 4058061, 9468809, 12174183, 28406427, 85219281]

約数ペア:

[(1, 85219281), (3, 28406427), (7, 12174183), (9, 9468809), (21, 4058061), (49, 1739169), (63, 1352687), (147, 579723), (173, 492597), (441, 193241), (519, 164199), (1117, 76293), (1211, 70371), (1557, 54733), (3351, 25431), (3633, 23457), (7819, 10899), (8477, 10053)]