128601963

素因数分解:

$3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{5849}}^1$

素因数の和:6211

約数の個数: 24

約数和(自身を含む): 212940000

約数和(自身を除く): 84338037

約数列:

[1, 3, 7, 9, 21, 63, 349, 1047, 2443, 3141, 5849, 7329, 17547, 21987, 40943, 52641, 122829, 368487, 2041301, 6123903, 14289107, 18371709, 42867321, 128601963]

約数ペア:

[(1, 128601963), (3, 42867321), (7, 18371709), (9, 14289107), (21, 6123903), (63, 2041301), (349, 368487), (1047, 122829), (2443, 52641), (3141, 40943), (5849, 21987), (7329, 17547)]