211232853

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:781

約数の個数: 56

約数和(自身を含む): 352558080

約数和(自身を除く): 141325227

約数列:

[1, 3, 9, 13, 27, 31, 39, 81, 93, 117, 243, 279, 351, 403, 719, 729, 837, 1053, 1209, 2157, 2511, 3159, 3627, 6471, 7533, 9347, 9477, 10881, 19413, 22289, 22599, 28041, 32643, 58239, 66867, 84123, 97929, 174717, 200601, 252369, 289757, 293787, 524151, 601803, 757107, 869271, 1805409, 2271321, 2607813, 5416227, 6813963, 7823439, 16248681, 23470317, 70410951, 211232853]

約数ペア:

[(1, 211232853), (3, 70410951), (9, 23470317), (13, 16248681), (27, 7823439), (31, 6813963), (39, 5416227), (81, 2607813), (93, 2271321), (117, 1805409), (243, 869271), (279, 757107), (351, 601803), (403, 524151), (719, 293787), (729, 289757), (837, 252369), (1053, 200601), (1209, 174717), (2157, 97929), (2511, 84123), (3159, 66867), (3627, 58239), (6471, 32643), (7533, 28041), (9347, 22599), (9477, 22289), (10881, 19413)]