680043

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 32

約数和(自身を含む): 1161216

約数和(自身を除く): 481173

約数列:

[1, 3, 7, 13, 21, 39, 47, 53, 91, 141, 159, 273, 329, 371, 611, 689, 987, 1113, 1833, 2067, 2491, 4277, 4823, 7473, 12831, 14469, 17437, 32383, 52311, 97149, 226681, 680043]

約数ペア:

[(1, 680043), (3, 226681), (7, 97149), (13, 52311), (21, 32383), (39, 17437), (47, 14469), (53, 12831), (91, 7473), (141, 4823), (159, 4277), (273, 2491), (329, 2067), (371, 1833), (611, 1113), (689, 987)]