266997423

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1013}}^1$

素因数の和:1204

約数の個数: 48

約数和(自身を含む): 454985856

約数和(自身を除く): 187988433

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 163, 231, 489, 539, 1013, 1141, 1617, 1793, 3039, 3423, 5379, 7091, 7987, 11143, 12551, 21273, 23961, 33429, 37653, 49637, 78001, 87857, 148911, 165119, 234003, 263571, 495357, 546007, 1155833, 1638021, 1816309, 3467499, 5448927, 8090831, 12714163, 24272493, 38142489, 88999141, 266997423]

約数ペア:

[(1, 266997423), (3, 88999141), (7, 38142489), (11, 24272493), (21, 12714163), (33, 8090831), (49, 5448927), (77, 3467499), (147, 1816309), (163, 1638021), (231, 1155833), (489, 546007), (539, 495357), (1013, 263571), (1141, 234003), (1617, 165119), (1793, 148911), (3039, 87857), (3423, 78001), (5379, 49637), (7091, 37653), (7987, 33429), (11143, 23961), (12551, 21273)]