17628939

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 26172432

約数和(自身を除く): 8543493

約数列:

[1, 3, 9, 61, 163, 183, 197, 489, 549, 591, 1467, 1773, 9943, 12017, 29829, 32111, 36051, 89487, 96333, 108153, 288999, 1958771, 5876313, 17628939]

約数ペア:

[(1, 17628939), (3, 5876313), (9, 1958771), (61, 288999), (163, 108153), (183, 96333), (197, 89487), (489, 36051), (549, 32111), (591, 29829), (1467, 12017), (1773, 9943)]