1390495887

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{128857}}^1$

素因数の和:128983

約数の個数: 24

約数和(自身を含む): 2211203280

約数和(自身を除く): 820707393

約数列:

[1, 3, 9, 11, 33, 99, 109, 327, 981, 1199, 3597, 10791, 128857, 386571, 1159713, 1417427, 4252281, 12756843, 14045413, 42136239, 126408717, 154499543, 463498629, 1390495887]

約数ペア:

[(1, 1390495887), (3, 463498629), (9, 154499543), (11, 126408717), (33, 42136239), (99, 14045413), (109, 12756843), (327, 4252281), (981, 1417427), (1199, 1159713), (3597, 386571), (10791, 128857)]