1405257

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1168

約数の個数: 16

約数和(自身を含む): 2178432

約数和(自身を除く): 773175

約数列:

[1, 3, 7, 21, 61, 183, 427, 1097, 1281, 3291, 7679, 23037, 66917, 200751, 468419, 1405257]

約数ペア:

[(1, 1405257), (3, 468419), (7, 200751), (21, 66917), (61, 23037), (183, 7679), (427, 3291), (1097, 1281)]