2540007687

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{13229}}^1$

素因数の和:13503

約数の個数: 32

約数和(自身を含む): 3982970880

約数和(自身を除く): 1442963193

約数列:

[1, 3, 7, 21, 41, 123, 223, 287, 669, 861, 1561, 4683, 9143, 13229, 27429, 39687, 64001, 92603, 192003, 277809, 542389, 1627167, 2950067, 3796723, 8850201, 11390169, 20650469, 61951407, 120952747, 362858241, 846669229, 2540007687]

約数ペア:

[(1, 2540007687), (3, 846669229), (7, 362858241), (21, 120952747), (41, 61951407), (123, 20650469), (223, 11390169), (287, 8850201), (669, 3796723), (861, 2950067), (1561, 1627167), (4683, 542389), (9143, 277809), (13229, 192003), (27429, 92603), (39687, 64001)]