1398999

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 2247168

約数和(自身を除く): 848169

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 307, 651, 921, 1519, 2149, 4557, 6447, 9517, 15043, 28551, 45129, 66619, 199857, 466333, 1398999]

約数ペア:

[(1, 1398999), (3, 466333), (7, 199857), (21, 66619), (31, 45129), (49, 28551), (93, 15043), (147, 9517), (217, 6447), (307, 4557), (651, 2149), (921, 1519)]