1278987

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:334

約数の個数: 16

約数和(自身を含む): 1800480

約数和(自身を除く): 521493

約数列:

[1, 3, 29, 61, 87, 183, 241, 723, 1769, 5307, 6989, 14701, 20967, 44103, 426329, 1278987]

約数ペア:

[(1, 1278987), (3, 426329), (29, 44103), (61, 20967), (87, 14701), (183, 6989), (241, 5307), (723, 1769)]