243669993

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{347}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 402750144

約数和(自身を除く): 159080151

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 281, 347, 357, 833, 843, 1041, 1967, 2429, 2499, 4777, 5899, 5901, 7287, 13769, 14331, 17003, 17697, 33439, 41293, 41307, 51009, 97507, 100317, 123879, 234073, 289051, 292521, 682549, 702219, 867153, 1657619, 2047647, 4777843, 4972857, 11603333, 14333529, 34809999, 81223331, 243669993]

約数ペア:

[(1, 243669993), (3, 81223331), (7, 34809999), (17, 14333529), (21, 11603333), (49, 4972857), (51, 4777843), (119, 2047647), (147, 1657619), (281, 867153), (347, 702219), (357, 682549), (833, 292521), (843, 289051), (1041, 234073), (1967, 123879), (2429, 100317), (2499, 97507), (4777, 51009), (5899, 41307), (5901, 41293), (7287, 33439), (13769, 17697), (14331, 17003)]