28095417

素因数分解:

$3^5\times 7^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 48921600

約数和(自身を除く): 20826183

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 83, 189, 199, 243, 249, 567, 581, 597, 747, 1393, 1701, 1743, 1791, 2241, 4179, 5229, 5373, 6723, 12537, 15687, 16119, 16517, 20169, 37611, 47061, 48357, 49551, 112833, 115619, 141183, 148653, 338499, 346857, 445959, 1040571, 1337877, 3121713, 4013631, 9365139, 28095417]

約数ペア:

[(1, 28095417), (3, 9365139), (7, 4013631), (9, 3121713), (21, 1337877), (27, 1040571), (63, 445959), (81, 346857), (83, 338499), (189, 148653), (199, 141183), (243, 115619), (249, 112833), (567, 49551), (581, 48357), (597, 47061), (747, 37611), (1393, 20169), (1701, 16517), (1743, 16119), (1791, 15687), (2241, 12537), (4179, 6723), (5229, 5373)]