640245003

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{1373}}^1\times {\mathrm{4201}}^1$

素因数の和:5614

約数の個数: 16

約数和(自身を含む): 877579296

約数和(自身を除く): 237334293

約数列:

[1, 3, 37, 111, 1373, 4119, 4201, 12603, 50801, 152403, 155437, 466311, 5767973, 17303919, 213415001, 640245003]

約数ペア:

[(1, 640245003), (3, 213415001), (37, 17303919), (111, 5767973), (1373, 466311), (4119, 155437), (4201, 152403), (12603, 50801)]