12980325

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{9109}}^1$

素因数の和:9141

約数の個数: 24

約数和(自身を含む): 22592800

約数和(自身を除く): 9612475

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 9109, 27327, 45545, 136635, 173071, 227725, 519213, 683175, 865355, 2596065, 4326775, 12980325]

約数ペア:

[(1, 12980325), (3, 4326775), (5, 2596065), (15, 865355), (19, 683175), (25, 519213), (57, 227725), (75, 173071), (95, 136635), (285, 45545), (475, 27327), (1425, 9109)]