25784865

素因数分解:

$3^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{491}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 46051200

約数和(自身を除く): 20266335

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 389, 491, 1167, 1473, 1945, 2455, 3501, 4419, 5835, 7365, 10503, 13257, 17505, 22095, 52515, 66285, 190999, 572997, 954995, 1718991, 2864985, 5156973, 8594955, 25784865]

約数ペア:

[(1, 25784865), (3, 8594955), (5, 5156973), (9, 2864985), (15, 1718991), (27, 954995), (45, 572997), (135, 190999), (389, 66285), (491, 52515), (1167, 22095), (1473, 17505), (1945, 13257), (2455, 10503), (3501, 7365), (4419, 5835)]