64490715

素因数分解:

$3^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{787}}^1$

素因数の和:1408

約数の個数: 32

約数和(自身を含む): 114984960

約数和(自身を除く): 50494245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 607, 787, 1821, 2361, 3035, 3935, 5463, 7083, 9105, 11805, 16389, 21249, 27315, 35415, 81945, 106245, 477709, 1433127, 2388545, 4299381, 7165635, 12898143, 21496905, 64490715]

約数ペア:

[(1, 64490715), (3, 21496905), (5, 12898143), (9, 7165635), (15, 4299381), (27, 2388545), (45, 1433127), (135, 477709), (607, 106245), (787, 81945), (1821, 35415), (2361, 27315), (3035, 21249), (3935, 16389), (5463, 11805), (7083, 9105)]