30830751

素因数分解:

$3^2\times 7^2\times {\mathrm{69911}}^1$

素因数の和:69931

約数の個数: 18

約数和(自身を含む): 51804792

約数和(自身を除く): 20974041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 69911, 209733, 489377, 629199, 1468131, 3425639, 4404393, 10276917, 30830751]

約数ペア:

[(1, 30830751), (3, 10276917), (7, 4404393), (9, 3425639), (21, 1468131), (49, 629199), (63, 489377), (147, 209733), (441, 69911)]