427173621

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{78539}}^1$

素因数の和:78593

約数の個数: 24

約数和(自身を含む): 680470560

約数和(自身を除く): 253296939

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5439, 78539, 235617, 549773, 1649319, 2905943, 3848411, 8717829, 11545233, 20341601, 61024803, 142391207, 427173621]

約数ペア:

[(1, 427173621), (3, 142391207), (7, 61024803), (21, 20341601), (37, 11545233), (49, 8717829), (111, 3848411), (147, 2905943), (259, 1649319), (777, 549773), (1813, 235617), (5439, 78539)]