207860409

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{3557}}^1$

素因数の和:3757

約数の個数: 24

約数和(自身を含む): 309346752

約数和(自身を除く): 101486343

約数列:

[1, 3, 9, 43, 129, 151, 387, 453, 1359, 3557, 6493, 10671, 19479, 32013, 58437, 152951, 458853, 537107, 1376559, 1611321, 4833963, 23095601, 69286803, 207860409]

約数ペア:

[(1, 207860409), (3, 69286803), (9, 23095601), (43, 4833963), (129, 1611321), (151, 1376559), (387, 537107), (453, 458853), (1359, 152951), (3557, 58437), (6493, 32013), (10671, 19479)]