242567997

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{617}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 375981312

約数和(自身を除く): 133413315

約数列:

[1, 3, 7, 21, 97, 193, 291, 579, 617, 679, 1351, 1851, 2037, 4053, 4319, 12957, 18721, 56163, 59849, 119081, 131047, 179547, 357243, 393141, 418943, 833567, 1256829, 2500701, 11550857, 34652571, 80855999, 242567997]

約数ペア:

[(1, 242567997), (3, 80855999), (7, 34652571), (21, 11550857), (97, 2500701), (193, 1256829), (291, 833567), (579, 418943), (617, 393141), (679, 357243), (1351, 179547), (1851, 131047), (2037, 119081), (4053, 59849), (4319, 56163), (12957, 18721)]