128515569

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{2111}}^1$

素因数の和:2357

約数の個数: 32

約数和(自身を含む): 211943424

約数和(自身を除く): 83427855

約数列:

[1, 3, 7, 13, 21, 39, 91, 223, 273, 669, 1561, 2111, 2899, 4683, 6333, 8697, 14777, 20293, 27443, 44331, 60879, 82329, 192101, 470753, 576303, 1412259, 3295271, 6119789, 9885813, 18359367, 42838523, 128515569]

約数ペア:

[(1, 128515569), (3, 42838523), (7, 18359367), (13, 9885813), (21, 6119789), (39, 3295271), (91, 1412259), (223, 576303), (273, 470753), (669, 192101), (1561, 82329), (2111, 60879), (2899, 44331), (4683, 27443), (6333, 20293), (8697, 14777)]