66790017

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 114162048

約数和(自身を除く): 47372031

約数列:

[1, 3, 7, 9, 21, 53, 63, 83, 159, 241, 249, 371, 477, 581, 723, 747, 1113, 1687, 1743, 2169, 3339, 4399, 5061, 5229, 12773, 13197, 15183, 20003, 30793, 38319, 39591, 60009, 89411, 92379, 114957, 140021, 180027, 268233, 277137, 420063, 804699, 1060159, 1260189, 3180477, 7421113, 9541431, 22263339, 66790017]

約数ペア:

[(1, 66790017), (3, 22263339), (7, 9541431), (9, 7421113), (21, 3180477), (53, 1260189), (63, 1060159), (83, 804699), (159, 420063), (241, 277137), (249, 268233), (371, 180027), (477, 140021), (581, 114957), (723, 92379), (747, 89411), (1113, 60009), (1687, 39591), (1743, 38319), (2169, 30793), (3339, 20003), (4399, 15183), (5061, 13197), (5229, 12773)]