638539737

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{829}}^1\times {\mathrm{1373}}^1$

素因数の和:2233

約数の個数: 32

約数和(自身を含む): 985322880

約数和(自身を除く): 346783143

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 829, 1373, 2487, 4119, 9119, 14093, 15103, 23341, 27357, 42279, 45309, 70023, 155023, 256751, 465069, 770253, 1138217, 3414651, 12520387, 19349689, 37561161, 58049067, 212846579, 638539737]

約数ペア:

[(1, 638539737), (3, 212846579), (11, 58049067), (17, 37561161), (33, 19349689), (51, 12520387), (187, 3414651), (561, 1138217), (829, 770253), (1373, 465069), (2487, 256751), (4119, 155023), (9119, 70023), (14093, 45309), (15103, 42279), (23341, 27357)]