2005479

素因数分解:

$3^7\times 7^1\times {\mathrm{131}}^1$

素因数の和:159

約数の個数: 32

約数和(自身を含む): 3463680

約数和(自身を除く): 1458201

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 131, 189, 243, 393, 567, 729, 917, 1179, 1701, 2187, 2751, 3537, 5103, 8253, 10611, 15309, 24759, 31833, 74277, 95499, 222831, 286497, 668493, 2005479]

約数ペア:

[(1, 2005479), (3, 668493), (7, 286497), (9, 222831), (21, 95499), (27, 74277), (63, 31833), (81, 24759), (131, 15309), (189, 10611), (243, 8253), (393, 5103), (567, 3537), (729, 2751), (917, 2187), (1179, 1701)]