18408897

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 29635200

約数和(自身を除く): 11226303

約数列:

[1, 3, 9, 13, 27, 39, 117, 179, 293, 351, 537, 879, 1611, 2327, 2637, 3809, 4833, 6981, 7911, 11427, 20943, 34281, 52447, 62829, 102843, 157341, 472023, 681811, 1416069, 2045433, 6136299, 18408897]

約数ペア:

[(1, 18408897), (3, 6136299), (9, 2045433), (13, 1416069), (27, 681811), (39, 472023), (117, 157341), (179, 102843), (293, 62829), (351, 52447), (537, 34281), (879, 20943), (1611, 11427), (2327, 7911), (2637, 6981), (3809, 4833)]