25531611

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1049}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 41664000

約数和(自身を除く): 16132389

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 1049, 1159, 1281, 3147, 3477, 7343, 8113, 19931, 22029, 24339, 59793, 63989, 139517, 191967, 418551, 447923, 1215791, 1343769, 3647373, 8510537, 25531611]

約数ペア:

[(1, 25531611), (3, 8510537), (7, 3647373), (19, 1343769), (21, 1215791), (57, 447923), (61, 418551), (133, 191967), (183, 139517), (399, 63989), (427, 59793), (1049, 24339), (1159, 22029), (1281, 19931), (3147, 8113), (3477, 7343)]