212280507

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{367}}^1$

素因数の和:609

約数の個数: 40

約数和(自身を含む): 328260416

約数和(自身を除く): 115979909

約数列:

[1, 3, 9, 27, 37, 81, 111, 193, 333, 367, 579, 999, 1101, 1737, 2997, 3303, 5211, 7141, 9909, 13579, 15633, 21423, 29727, 40737, 64269, 70831, 122211, 192807, 212493, 366633, 578421, 637479, 1099899, 1912437, 2620747, 5737311, 7862241, 23586723, 70760169, 212280507]

約数ペア:

[(1, 212280507), (3, 70760169), (9, 23586723), (27, 7862241), (37, 5737311), (81, 2620747), (111, 1912437), (193, 1099899), (333, 637479), (367, 578421), (579, 366633), (999, 212493), (1101, 192807), (1737, 122211), (2997, 70831), (3303, 64269), (5211, 40737), (7141, 29727), (9909, 21423), (13579, 15633)]