30639219

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 47880000

約数和(自身を除く): 17240781

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 629, 663, 1249, 1443, 1887, 3747, 8177, 16237, 21233, 24531, 46213, 48711, 63699, 138639, 276029, 600769, 785621, 828087, 1802307, 2356863, 10213073, 30639219]

約数ペア:

[(1, 30639219), (3, 10213073), (13, 2356863), (17, 1802307), (37, 828087), (39, 785621), (51, 600769), (111, 276029), (221, 138639), (481, 63699), (629, 48711), (663, 46213), (1249, 24531), (1443, 21233), (1887, 16237), (3747, 8177)]