145438713

素因数分解:

$3^3\times 7^2\times {\mathrm{211}}^1\times {\mathrm{521}}^1$

素因数の和:755

約数の個数: 48

約数和(自身を含む): 252313920

約数和(自身を除く): 106875207

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 211, 441, 521, 633, 1323, 1477, 1563, 1899, 3647, 4431, 4689, 5697, 10339, 10941, 13293, 14067, 25529, 31017, 32823, 39879, 76587, 93051, 98469, 109931, 229761, 279153, 329793, 689283, 769517, 989379, 2308551, 2968137, 5386619, 6925653, 16159857, 20776959, 48479571, 145438713]

約数ペア:

[(1, 145438713), (3, 48479571), (7, 20776959), (9, 16159857), (21, 6925653), (27, 5386619), (49, 2968137), (63, 2308551), (147, 989379), (189, 769517), (211, 689283), (441, 329793), (521, 279153), (633, 229761), (1323, 109931), (1477, 98469), (1563, 93051), (1899, 76587), (3647, 39879), (4431, 32823), (4689, 31017), (5697, 25529), (10339, 14067), (10941, 13293)]