990666897

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{42703}}^1$

素因数の和:42773

約数の個数: 32

約数和(自身を含む): 1557841920

約数和(自身を除く): 567175023

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 209, 407, 627, 703, 1221, 2109, 7733, 23199, 42703, 128109, 469733, 811357, 1409199, 1580011, 2434071, 4740033, 8924927, 17380121, 26774781, 30020209, 52140363, 90060627, 330222299, 990666897]

約数ペア:

[(1, 990666897), (3, 330222299), (11, 90060627), (19, 52140363), (33, 30020209), (37, 26774781), (57, 17380121), (111, 8924927), (209, 4740033), (407, 2434071), (627, 1580011), (703, 1409199), (1221, 811357), (2109, 469733), (7733, 128109), (23199, 42703)]