285789

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 450560

約数和(自身を除く): 164771

約数列:

[1, 3, 7, 21, 31, 93, 217, 439, 651, 1317, 3073, 9219, 13609, 40827, 95263, 285789]

約数ペア:

[(1, 285789), (3, 95263), (7, 40827), (21, 13609), (31, 9219), (93, 3073), (217, 1317), (439, 651)]