25804575

素因数分解:

$3^4\times 5^2\times {\mathrm{12743}}^1$

素因数の和:12765

約数の個数: 30

約数和(自身を含む): 47802744

約数和(自身を除く): 21998169

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 12743, 38229, 63715, 114687, 191145, 318575, 344061, 573435, 955725, 1032183, 1720305, 2867175, 5160915, 8601525, 25804575]

約数ペア:

[(1, 25804575), (3, 8601525), (5, 5160915), (9, 2867175), (15, 1720305), (25, 1032183), (27, 955725), (45, 573435), (75, 344061), (81, 318575), (135, 191145), (225, 114687), (405, 63715), (675, 38229), (2025, 12743)]