138857187

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{15131}}^1$

素因数の和:15183

約数の個数: 32

約数和(自身を含む): 232427520

約数和(自身を除く): 93570333

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 3059, 9177, 15131, 45393, 105917, 287489, 317751, 348013, 862467, 1044039, 2012423, 2436091, 6037269, 6612247, 7308273, 19836741, 46285729, 138857187]

約数ペア:

[(1, 138857187), (3, 46285729), (7, 19836741), (19, 7308273), (21, 6612247), (23, 6037269), (57, 2436091), (69, 2012423), (133, 1044039), (161, 862467), (399, 348013), (437, 317751), (483, 287489), (1311, 105917), (3059, 45393), (9177, 15131)]