61778787

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1663}}^1$

素因数の和:1763

約数の個数: 32

約数和(自身を含む): 99041280

約数和(自身を除く): 37262493

約数列:

[1, 3, 7, 21, 29, 61, 87, 183, 203, 427, 609, 1281, 1663, 1769, 4989, 5307, 11641, 12383, 34923, 37149, 48227, 101443, 144681, 304329, 337589, 710101, 1012767, 2130303, 2941847, 8825541, 20592929, 61778787]

約数ペア:

[(1, 61778787), (3, 20592929), (7, 8825541), (21, 2941847), (29, 2130303), (61, 1012767), (87, 710101), (183, 337589), (203, 304329), (427, 144681), (609, 101443), (1281, 48227), (1663, 37149), (1769, 34923), (4989, 12383), (5307, 11641)]