990425163

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3627931}}^1$

素因数の和:3627954

約数の個数: 16

約数和(自身を含む): 1625313536

約数和(自身を除く): 634888373

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 3627931, 10883793, 25395517, 47163103, 76186551, 141489309, 330141721, 990425163]

約数ペア:

[(1, 990425163), (3, 330141721), (7, 141489309), (13, 76186551), (21, 47163103), (39, 25395517), (91, 10883793), (273, 3627931)]