157013199

素因数分解:

$3^2\times 7^2\times {\mathrm{356039}}^1$

素因数の和:356059

約数の個数: 18

約数和(自身を含む): 263825640

約数和(自身を除く): 106812441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 356039, 1068117, 2492273, 3204351, 7476819, 17445911, 22430457, 52337733, 157013199]

約数ペア:

[(1, 157013199), (3, 52337733), (7, 22430457), (9, 17445911), (21, 7476819), (49, 3204351), (63, 2492273), (147, 1068117), (441, 356039)]