205954785

素因数分解:

$3^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{2917}}^1$

素因数の和:3454

約数の個数: 32

約数和(自身を含む): 366967680

約数和(自身を除く): 161012895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 523, 1569, 2615, 2917, 4707, 7845, 8751, 14121, 14585, 23535, 26253, 43755, 70605, 78759, 131265, 393795, 1525591, 4576773, 7627955, 13730319, 22883865, 41190957, 68651595, 205954785]

約数ペア:

[(1, 205954785), (3, 68651595), (5, 41190957), (9, 22883865), (15, 13730319), (27, 7627955), (45, 4576773), (135, 1525591), (523, 393795), (1569, 131265), (2615, 78759), (2917, 70605), (4707, 43755), (7845, 26253), (8751, 23535), (14121, 14585)]