2051201313

素因数分解:

$3^4\times 7^1\times {\mathrm{3617639}}^1$

素因数の和:3617658

約数の個数: 20

約数和(自身を含む): 3501875520

約数和(自身を除く): 1450674207

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3617639, 10852917, 25323473, 32558751, 75970419, 97676253, 227911257, 293028759, 683733771, 2051201313]

約数ペア:

[(1, 2051201313), (3, 683733771), (7, 293028759), (9, 227911257), (21, 97676253), (27, 75970419), (63, 32558751), (81, 25323473), (189, 10852917), (567, 3617639)]