80686827

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 135260160

約数和(自身を除く): 54573333

約数列:

[1, 3, 9, 13, 27, 39, 47, 67, 73, 117, 141, 201, 219, 351, 423, 603, 611, 657, 871, 949, 1269, 1809, 1833, 1971, 2613, 2847, 3149, 3431, 4891, 5499, 7839, 8541, 9447, 10293, 14673, 16497, 23517, 25623, 28341, 30879, 40937, 44019, 44603, 63583, 85023, 92637, 122811, 132057, 133809, 190749, 229877, 368433, 401427, 572247, 689631, 1105299, 1204281, 1716741, 2068893, 2988401, 6206679, 8965203, 26895609, 80686827]

約数ペア:

[(1, 80686827), (3, 26895609), (9, 8965203), (13, 6206679), (27, 2988401), (39, 2068893), (47, 1716741), (67, 1204281), (73, 1105299), (117, 689631), (141, 572247), (201, 401427), (219, 368433), (351, 229877), (423, 190749), (603, 133809), (611, 132057), (657, 122811), (871, 92637), (949, 85023), (1269, 63583), (1809, 44603), (1833, 44019), (1971, 40937), (2613, 30879), (2847, 28341), (3149, 25623), (3431, 23517), (4891, 16497), (5499, 14673), (7839, 10293), (8541, 9447)]