339944409

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1467

約数の個数: 72

約数和(自身を含む): 622440000

約数和(自身を除く): 282495591

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, 1399, 1421, 1653, 1827, 2793, 3857, 4197, 4263, 4959, 8379, 9793, 11571, 12591, 12789, 26581, 26999, 29379, 34713, 40571, 68551, 79743, 80997, 88137, 121713, 186067, 205653, 239229, 242991, 283997, 365139, 558201, 616959, 770849, 851991, 1302469, 1674603, 1987979, 2312547, 2555973, 3907407, 5395943, 5963937, 6937641, 11722221, 16187829, 17891811, 37771601, 48563487, 113314803, 339944409]

約数ペア:

[(1, 339944409), (3, 113314803), (7, 48563487), (9, 37771601), (19, 17891811), (21, 16187829), (29, 11722221), (49, 6937641), (57, 5963937), (63, 5395943), (87, 3907407), (133, 2555973), (147, 2312547), (171, 1987979), (203, 1674603), (261, 1302469), (399, 851991), (441, 770849), (551, 616959), (609, 558201), (931, 365139), (1197, 283997), (1399, 242991), (1421, 239229), (1653, 205653), (1827, 186067), (2793, 121713), (3857, 88137), (4197, 80997), (4263, 79743), (4959, 68551), (8379, 40571), (9793, 34713), (11571, 29379), (12591, 26999), (12789, 26581)]