28045539

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:835

約数の個数: 24

約数和(自身を含む): 42853200

約数和(自身を除く): 14807661

約数列:

[1, 3, 9, 19, 57, 171, 401, 409, 1203, 1227, 3609, 3681, 7619, 7771, 22857, 23313, 68571, 69939, 164009, 492027, 1476081, 3116171, 9348513, 28045539]

約数ペア:

[(1, 28045539), (3, 9348513), (9, 3116171), (19, 1476081), (57, 492027), (171, 164009), (401, 69939), (409, 68571), (1203, 23313), (1227, 22857), (3609, 7771), (3681, 7619)]