257839497

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1759}}^1$

素因数の和:1918

約数の個数: 32

約数和(自身を含む): 392832000

約数和(自身を除く): 134992503

約数列:

[1, 3, 9, 27, 61, 89, 183, 267, 549, 801, 1647, 1759, 2403, 5277, 5429, 15831, 16287, 47493, 48861, 107299, 146583, 156551, 321897, 469653, 965691, 1408959, 2897073, 4226877, 9549611, 28648833, 85946499, 257839497]

約数ペア:

[(1, 257839497), (3, 85946499), (9, 28648833), (27, 9549611), (61, 4226877), (89, 2897073), (183, 1408959), (267, 965691), (549, 469653), (801, 321897), (1647, 156551), (1759, 146583), (2403, 107299), (5277, 48861), (5429, 47493), (15831, 16287)]