208781661

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{593}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 312035328

約数和(自身を除く): 103253667

約数列:

[1, 3, 11, 33, 47, 141, 227, 517, 593, 681, 1551, 1779, 2497, 6523, 7491, 10669, 19569, 27871, 32007, 83613, 117359, 134611, 306581, 352077, 403833, 919743, 1480721, 4442163, 6326717, 18980151, 69593887, 208781661]

約数ペア:

[(1, 208781661), (3, 69593887), (11, 18980151), (33, 6326717), (47, 4442163), (141, 1480721), (227, 919743), (517, 403833), (593, 352077), (681, 306581), (1551, 134611), (1779, 117359), (2497, 83613), (6523, 32007), (7491, 27871), (10669, 19569)]