647373753

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{325477}}^1$

素因数の和:325513

約数の個数: 24

約数和(自身を含む): 1066265928

約数和(自身を除く): 418892175

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 325477, 976431, 2929293, 4231201, 5533109, 12693603, 16599327, 38080809, 49797981, 71930417, 215791251, 647373753]

約数ペア:

[(1, 647373753), (3, 215791251), (9, 71930417), (13, 49797981), (17, 38080809), (39, 16599327), (51, 12693603), (117, 5533109), (153, 4231201), (221, 2929293), (663, 976431), (1989, 325477)]