78489459

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{631}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 123770880

約数和(自身を除く): 45281421

約数列:

[1, 3, 9, 17, 27, 51, 153, 271, 459, 631, 813, 1893, 2439, 4607, 5679, 7317, 10727, 13821, 17037, 32181, 41463, 96543, 124389, 171001, 289629, 513003, 1539009, 2907017, 4617027, 8721051, 26163153, 78489459]

約数ペア:

[(1, 78489459), (3, 26163153), (9, 8721051), (17, 4617027), (27, 2907017), (51, 1539009), (153, 513003), (271, 289629), (459, 171001), (631, 124389), (813, 96543), (1893, 41463), (2439, 32181), (4607, 17037), (5679, 13821), (7317, 10727)]