2747225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 3749760

約数和(自身を除く): 1002535

約数列:

[1, 5, 13, 25, 65, 79, 107, 325, 395, 535, 1027, 1391, 1975, 2675, 5135, 6955, 8453, 25675, 34775, 42265, 109889, 211325, 549445, 2747225]

約数ペア:

[(1, 2747225), (5, 549445), (13, 211325), (25, 109889), (65, 42265), (79, 34775), (107, 25675), (325, 8453), (395, 6955), (535, 5135), (1027, 2675), (1391, 1975)]