681335205

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^2$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 1161552384

約数和(自身を除く): 480217179

約数列:

[1, 3, 5, 15, 31, 37, 93, 111, 155, 185, 199, 465, 555, 597, 995, 1147, 2985, 3441, 5735, 6169, 7363, 17205, 18507, 22089, 30845, 36815, 39601, 92535, 110445, 118803, 198005, 228253, 594015, 684759, 1141265, 1227631, 1465237, 3423795, 3682893, 4395711, 6138155, 7326185, 18414465, 21978555, 45422347, 136267041, 227111735, 681335205]

約数ペア:

[(1, 681335205), (3, 227111735), (5, 136267041), (15, 45422347), (31, 21978555), (37, 18414465), (93, 7326185), (111, 6138155), (155, 4395711), (185, 3682893), (199, 3423795), (465, 1465237), (555, 1227631), (597, 1141265), (995, 684759), (1147, 594015), (2985, 228253), (3441, 198005), (5735, 118803), (6169, 110445), (7363, 92535), (17205, 39601), (18507, 36815), (22089, 30845)]