147841281

素因数分解:

$3^4\times 7^2\times {\mathrm{193}}^2$

素因数の和:412

約数の個数: 45

約数和(自身を含む): 258244371

約数和(自身を除く): 110403090

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 193, 441, 567, 579, 1323, 1351, 1737, 3969, 4053, 5211, 9457, 12159, 15633, 28371, 36477, 37249, 85113, 109431, 111747, 255339, 260743, 335241, 766017, 782229, 1005723, 1825201, 2346687, 3017169, 5475603, 7040061, 16426809, 21120183, 49280427, 147841281]

約数ペア:

[(1, 147841281), (3, 49280427), (7, 21120183), (9, 16426809), (21, 7040061), (27, 5475603), (49, 3017169), (63, 2346687), (81, 1825201), (147, 1005723), (189, 782229), (193, 766017), (441, 335241), (567, 260743), (579, 255339), (1323, 111747), (1351, 109431), (1737, 85113), (3969, 37249), (4053, 36477), (5211, 28371), (9457, 15633)]