1491939

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:288

約数の個数: 20

約数和(自身を含む): 2262216

約数和(自身を除く): 770277

約数列:

[1, 3, 9, 27, 81, 113, 163, 339, 489, 1017, 1467, 3051, 4401, 9153, 13203, 18419, 55257, 165771, 497313, 1491939]

約数ペア:

[(1, 1491939), (3, 497313), (9, 165771), (27, 55257), (81, 18419), (113, 13203), (163, 9153), (339, 4401), (489, 3051), (1017, 1467)]