678702969

素因数分解:

$3^4\times 7^2\times {\mathrm{271}}^1\times {\mathrm{631}}^1$

素因数の和:928

約数の個数: 60

約数和(自身を含む): 1185621888

約数和(自身を除く): 506918919

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 271, 441, 567, 631, 813, 1323, 1893, 1897, 2439, 3969, 4417, 5679, 5691, 7317, 13251, 13279, 17037, 17073, 21951, 30919, 39753, 39837, 51111, 51219, 92757, 119259, 119511, 153657, 171001, 278271, 357777, 358533, 513003, 834813, 1075599, 1197007, 1539009, 2504439, 3591021, 4617027, 8379049, 10773063, 13851081, 25137147, 32319189, 75411441, 96957567, 226234323, 678702969]

約数ペア:

[(1, 678702969), (3, 226234323), (7, 96957567), (9, 75411441), (21, 32319189), (27, 25137147), (49, 13851081), (63, 10773063), (81, 8379049), (147, 4617027), (189, 3591021), (271, 2504439), (441, 1539009), (567, 1197007), (631, 1075599), (813, 834813), (1323, 513003), (1893, 358533), (1897, 357777), (2439, 278271), (3969, 171001), (4417, 153657), (5679, 119511), (5691, 119259), (7317, 92757), (13251, 51219), (13279, 51111), (17037, 39837), (17073, 39753), (21951, 30919)]