16847217

素因数分解:

$3^3\times {\mathrm{67}}^2\times {\mathrm{139}}^1$

素因数の和:282

約数の個数: 24

約数和(自身を含む): 25519200

約数和(自身を除く): 8671983

約数列:

[1, 3, 9, 27, 67, 139, 201, 417, 603, 1251, 1809, 3753, 4489, 9313, 13467, 27939, 40401, 83817, 121203, 251451, 623971, 1871913, 5615739, 16847217]

約数ペア:

[(1, 16847217), (3, 5615739), (9, 1871913), (27, 623971), (67, 251451), (139, 121203), (201, 83817), (417, 40401), (603, 27939), (1251, 13467), (1809, 9313), (3753, 4489)]