1281397321

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{9901}}^1$

素因数の和:10272

約数の個数: 16

約数和(自身を含む): 1420184448

約数和(自身を除く): 138787127

約数列:

[1, 17, 23, 331, 391, 5627, 7613, 9901, 129421, 168317, 227723, 3277231, 3871291, 55712927, 75376313, 1281397321]

約数ペア:

[(1, 1281397321), (17, 75376313), (23, 55712927), (331, 3871291), (391, 3277231), (5627, 227723), (7613, 168317), (9901, 129421)]