28809441

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 46949760

約数和(自身を除く): 18140319

約数列:

[1, 3, 9, 17, 29, 43, 51, 87, 129, 151, 153, 261, 387, 453, 493, 731, 1247, 1359, 1479, 2193, 2567, 3741, 4379, 4437, 6493, 6579, 7701, 11223, 13137, 19479, 21199, 23103, 39411, 58437, 63597, 74443, 110381, 188297, 190791, 223329, 331143, 564891, 669987, 993429, 1694673, 3201049, 9603147, 28809441]

約数ペア:

[(1, 28809441), (3, 9603147), (9, 3201049), (17, 1694673), (29, 993429), (43, 669987), (51, 564891), (87, 331143), (129, 223329), (151, 190791), (153, 188297), (261, 110381), (387, 74443), (453, 63597), (493, 58437), (731, 39411), (1247, 23103), (1359, 21199), (1479, 19479), (2193, 13137), (2567, 11223), (3741, 7701), (4379, 6579), (4437, 6493)]