215480979

素因数分解:

$3^5\times 7^2\times {\mathrm{18097}}^1$

素因数の和:18126

約数の個数: 36

約数和(自身を含む): 375497304

約数和(自身を除く): 160016325

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1701, 3969, 11907, 18097, 54291, 126679, 162873, 380037, 488619, 886753, 1140111, 1465857, 2660259, 3420333, 4397571, 7980777, 10260999, 23942331, 30782997, 71826993, 215480979]

約数ペア:

[(1, 215480979), (3, 71826993), (7, 30782997), (9, 23942331), (21, 10260999), (27, 7980777), (49, 4397571), (63, 3420333), (81, 2660259), (147, 1465857), (189, 1140111), (243, 886753), (441, 488619), (567, 380037), (1323, 162873), (1701, 126679), (3969, 54291), (11907, 18097)]