147547281

素因数分解:

$3^1\times 7^3\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 230809600

約数和(自身を除く): 83262319

約数列:

[1, 3, 7, 21, 49, 147, 223, 343, 643, 669, 1029, 1561, 1929, 4501, 4683, 10927, 13503, 31507, 32781, 76489, 94521, 143389, 220549, 229467, 430167, 661647, 1003723, 3011169, 7026061, 21078183, 49182427, 147547281]

約数ペア:

[(1, 147547281), (3, 49182427), (7, 21078183), (21, 7026061), (49, 3011169), (147, 1003723), (223, 661647), (343, 430167), (643, 229467), (669, 220549), (1029, 143389), (1561, 94521), (1929, 76489), (4501, 32781), (4683, 31507), (10927, 13503)]