27686715

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 52093440

約数和(自身を除く): 24406725

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 139, 147, 245, 271, 417, 695, 735, 813, 973, 1355, 1897, 2085, 2919, 4065, 4865, 5691, 6811, 9485, 13279, 14595, 20433, 28455, 34055, 37669, 39837, 66395, 102165, 113007, 188345, 199185, 263683, 565035, 791049, 1318415, 1845781, 3955245, 5537343, 9228905, 27686715]

約数ペア:

[(1, 27686715), (3, 9228905), (5, 5537343), (7, 3955245), (15, 1845781), (21, 1318415), (35, 791049), (49, 565035), (105, 263683), (139, 199185), (147, 188345), (245, 113007), (271, 102165), (417, 66395), (695, 39837), (735, 37669), (813, 34055), (973, 28455), (1355, 20433), (1897, 14595), (2085, 13279), (2919, 9485), (4065, 6811), (4865, 5691)]