207835551

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:786

約数の個数: 80

約数和(自身を含む): 395873280

約数和(自身を除く): 188037729

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 47, 63, 77, 81, 99, 141, 189, 231, 297, 329, 423, 517, 567, 693, 709, 891, 987, 1269, 1551, 2079, 2127, 2961, 3619, 3807, 4653, 4963, 6237, 6381, 7799, 8883, 10857, 13959, 14889, 19143, 23397, 26649, 32571, 33323, 41877, 44667, 54593, 57429, 70191, 97713, 99969, 134001, 163779, 210573, 233261, 293139, 299907, 366553, 402003, 491337, 631719, 699783, 899721, 1099659, 1474011, 2099349, 2565871, 2699163, 3298977, 4422033, 6298047, 7697613, 9896931, 18894141, 23092839, 29690793, 69278517, 207835551]

約数ペア:

[(1, 207835551), (3, 69278517), (7, 29690793), (9, 23092839), (11, 18894141), (21, 9896931), (27, 7697613), (33, 6298047), (47, 4422033), (63, 3298977), (77, 2699163), (81, 2565871), (99, 2099349), (141, 1474011), (189, 1099659), (231, 899721), (297, 699783), (329, 631719), (423, 491337), (517, 402003), (567, 366553), (693, 299907), (709, 293139), (891, 233261), (987, 210573), (1269, 163779), (1551, 134001), (2079, 99969), (2127, 97713), (2961, 70191), (3619, 57429), (3807, 54593), (4653, 44667), (4963, 41877), (6237, 33323), (6381, 32571), (7799, 26649), (8883, 23397), (10857, 19143), (13959, 14889)]