638714097

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{58603}}^1$

素因数の和:58789

約数の個数: 24

約数和(自身を含む): 1060497984

約数和(自身を除く): 421783887

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 3633, 10899, 58603, 175809, 410221, 527427, 1230663, 3691989, 10138319, 30414957, 70968233, 91244871, 212904699, 638714097]

約数ペア:

[(1, 638714097), (3, 212904699), (7, 91244871), (9, 70968233), (21, 30414957), (63, 10138319), (173, 3691989), (519, 1230663), (1211, 527427), (1557, 410221), (3633, 175809), (10899, 58603)]