78315489

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{26449}}^1$

素因数の和:26509

約数の個数: 24

約数和(自身を含む): 132038400

約数和(自身を除く): 53722911

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 26449, 79347, 185143, 238041, 555429, 1243103, 1666287, 3729309, 8701721, 11187927, 26105163, 78315489]

約数ペア:

[(1, 78315489), (3, 26105163), (7, 11187927), (9, 8701721), (21, 3729309), (47, 1666287), (63, 1243103), (141, 555429), (329, 238041), (423, 185143), (987, 79347), (2961, 26449)]