30640407

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1873}}^1$

素因数の和:1943

約数の個数: 32

約数和(自身を含む): 50373120

約数和(自身を除く): 19732713

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 1873, 2337, 5453, 5619, 13111, 16359, 35587, 39333, 76793, 106761, 230379, 249109, 537551, 747327, 1459067, 1612653, 4377201, 10213469, 30640407]

約数ペア:

[(1, 30640407), (3, 10213469), (7, 4377201), (19, 1612653), (21, 1459067), (41, 747327), (57, 537551), (123, 249109), (133, 230379), (287, 106761), (399, 76793), (779, 39333), (861, 35587), (1873, 16359), (2337, 13111), (5453, 5619)]