13204917

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 21548160

約数和(自身を除く): 8343243

約数列:

[1, 3, 9, 11, 27, 33, 99, 173, 257, 297, 519, 771, 1557, 1903, 2313, 2827, 4671, 5709, 6939, 8481, 17127, 25443, 44461, 51381, 76329, 133383, 400149, 489071, 1200447, 1467213, 4401639, 13204917]

約数ペア:

[(1, 13204917), (3, 4401639), (9, 1467213), (11, 1200447), (27, 489071), (33, 400149), (99, 133383), (173, 76329), (257, 51381), (297, 44461), (519, 25443), (771, 17127), (1557, 8481), (1903, 6939), (2313, 5709), (2827, 4671)]