280214991

素因数分解:

$3^3\times 7^1\times {\mathrm{673}}^1\times {\mathrm{2203}}^1$

素因数の和:2892

約数の個数: 32

約数和(自身を含む): 475358720

約数和(自身を除く): 195143729

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 673, 2019, 2203, 4711, 6057, 6609, 14133, 15421, 18171, 19827, 42399, 46263, 59481, 127197, 138789, 416367, 1482619, 4447857, 10378333, 13343571, 31134999, 40030713, 93404997, 280214991]

約数ペア:

[(1, 280214991), (3, 93404997), (7, 40030713), (9, 31134999), (21, 13343571), (27, 10378333), (63, 4447857), (189, 1482619), (673, 416367), (2019, 138789), (2203, 127197), (4711, 59481), (6057, 46263), (6609, 42399), (14133, 19827), (15421, 18171)]