289299735

素因数分解:

$3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{13147}}^1$

素因数の和:13324

約数の個数: 32

約数和(自身を含む): 517505280

約数和(自身を除く): 228205545

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 163, 489, 815, 1467, 2445, 4401, 7335, 13147, 22005, 39441, 65735, 118323, 197205, 354969, 591615, 1774845, 2142961, 6428883, 10714805, 19286649, 32144415, 57859947, 96433245, 289299735]

約数ペア:

[(1, 289299735), (3, 96433245), (5, 57859947), (9, 32144415), (15, 19286649), (27, 10714805), (45, 6428883), (135, 2142961), (163, 1774845), (489, 591615), (815, 354969), (1467, 197205), (2445, 118323), (4401, 65735), (7335, 39441), (13147, 22005)]