27788145

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{491}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 56678400

約数和(自身を除く): 28890255

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 343, 385, 491, 539, 735, 1029, 1155, 1473, 1617, 1715, 2455, 2695, 3437, 3773, 5145, 5401, 7365, 8085, 10311, 11319, 16203, 17185, 18865, 24059, 27005, 37807, 51555, 56595, 72177, 81015, 113421, 120295, 168413, 189035, 264649, 360885, 505239, 567105, 793947, 842065, 1323245, 1852543, 2526195, 3969735, 5557629, 9262715, 27788145]

約数ペア:

[(1, 27788145), (3, 9262715), (5, 5557629), (7, 3969735), (11, 2526195), (15, 1852543), (21, 1323245), (33, 842065), (35, 793947), (49, 567105), (55, 505239), (77, 360885), (105, 264649), (147, 189035), (165, 168413), (231, 120295), (245, 113421), (343, 81015), (385, 72177), (491, 56595), (539, 51555), (735, 37807), (1029, 27005), (1155, 24059), (1473, 18865), (1617, 17185), (1715, 16203), (2455, 11319), (2695, 10311), (3437, 8085), (3773, 7365), (5145, 5401)]