289968273

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 487968000

約数和(自身を除く): 197999727

約数列:

[1, 3, 7, 9, 21, 63, 101, 199, 229, 303, 597, 687, 707, 909, 1393, 1603, 1791, 2061, 2121, 4179, 4809, 6363, 12537, 14427, 20099, 23129, 45571, 60297, 69387, 136713, 140693, 161903, 180891, 208161, 318997, 410139, 422079, 485709, 956991, 1266237, 1457127, 2870973, 4602671, 13808013, 32218697, 41424039, 96656091, 289968273]

約数ペア:

[(1, 289968273), (3, 96656091), (7, 41424039), (9, 32218697), (21, 13808013), (63, 4602671), (101, 2870973), (199, 1457127), (229, 1266237), (303, 956991), (597, 485709), (687, 422079), (707, 410139), (909, 318997), (1393, 208161), (1603, 180891), (1791, 161903), (2061, 140693), (2121, 136713), (4179, 69387), (4809, 60297), (6363, 45571), (12537, 23129), (14427, 20099)]