290438253

素因数分解:

$3^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{14543}}^1$

素因数の和:14873

約数の個数: 24

約数和(自身を含む): 480999168

約数和(自身を除く): 190560915

約数列:

[1, 3, 7, 9, 21, 63, 317, 951, 2219, 2853, 6657, 14543, 19971, 43629, 101801, 130887, 305403, 916209, 4610131, 13830393, 32270917, 41491179, 96812751, 290438253]

約数ペア:

[(1, 290438253), (3, 96812751), (7, 41491179), (9, 32270917), (21, 13830393), (63, 4610131), (317, 916209), (951, 305403), (2219, 130887), (2853, 101801), (6657, 43629), (14543, 19971)]