280737597

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{1433}}^1$

素因数の和:1953

約数の個数: 32

約数和(自身を含む): 451537920

約数和(自身を除く): 170800323

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 491, 1433, 1473, 3437, 4299, 9329, 10031, 10311, 27227, 27987, 30093, 65303, 81681, 190589, 195909, 571767, 703603, 2110809, 4925221, 13368457, 14775663, 40105371, 93579199, 280737597]

約数ペア:

[(1, 280737597), (3, 93579199), (7, 40105371), (19, 14775663), (21, 13368457), (57, 4925221), (133, 2110809), (399, 703603), (491, 571767), (1433, 195909), (1473, 190589), (3437, 81681), (4299, 65303), (9329, 30093), (10031, 27987), (10311, 27227)]