242991

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:68

約数の個数: 36

約数和(自身を含む): 444600

約数和(自身を除く): 201609

約数列:

[1, 3, 7, 9, 19, 21, 29, 49, 57, 63, 87, 133, 147, 171, 203, 261, 399, 441, 551, 609, 931, 1197, 1421, 1653, 1827, 2793, 3857, 4263, 4959, 8379, 11571, 12789, 26999, 34713, 80997, 242991]

約数ペア:

[(1, 242991), (3, 80997), (7, 34713), (9, 26999), (19, 12789), (21, 11571), (29, 8379), (49, 4959), (57, 4263), (63, 3857), (87, 2793), (133, 1827), (147, 1653), (171, 1421), (203, 1197), (261, 931), (399, 609), (441, 551)]