639022761

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{133213}}^1$

素因数の和:133273

約数の個数: 24

約数和(自身を含む): 1018287816

約数和(自身を除く): 379265055

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4797, 133213, 399639, 1198917, 1731769, 5195307, 5461733, 15585921, 16385199, 49155597, 71002529, 213007587, 639022761]

約数ペア:

[(1, 639022761), (3, 213007587), (9, 71002529), (13, 49155597), (39, 16385199), (41, 15585921), (117, 5461733), (123, 5195307), (369, 1731769), (533, 1198917), (1599, 399639), (4797, 133213)]