2245257

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 3746496

約数和(自身を除く): 1501239

約数列:

[1, 3, 7, 9, 21, 63, 157, 227, 471, 681, 1099, 1413, 1589, 2043, 3297, 4767, 9891, 14301, 35639, 106917, 249473, 320751, 748419, 2245257]

約数ペア:

[(1, 2245257), (3, 748419), (7, 320751), (9, 249473), (21, 106917), (63, 35639), (157, 14301), (227, 9891), (471, 4767), (681, 3297), (1099, 2043), (1413, 1589)]