30513231

素因数分解:

$3^2\times 7^2\times {\mathrm{69191}}^1$

素因数の和:69211

約数の個数: 18

約数和(自身を含む): 51271272

約数和(自身を除く): 20758041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 69191, 207573, 484337, 622719, 1453011, 3390359, 4359033, 10171077, 30513231]

約数ペア:

[(1, 30513231), (3, 10171077), (7, 4359033), (9, 3390359), (21, 1453011), (49, 622719), (63, 484337), (147, 207573), (441, 69191)]