681597

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 1164800

約数和(自身を除く): 483203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 349, 651, 1047, 1953, 2443, 3141, 7329, 10819, 21987, 32457, 75733, 97371, 227199, 681597]

約数ペア:

[(1, 681597), (3, 227199), (7, 97371), (9, 75733), (21, 32457), (31, 21987), (63, 10819), (93, 7329), (217, 3141), (279, 2443), (349, 1953), (651, 1047)]