27578313

素因数分解:

$3^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 48828416

約数和(自身を除く): 21250103

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 243, 279, 523, 567, 651, 837, 1569, 1701, 1953, 2511, 3661, 4707, 5859, 7533, 10983, 14121, 16213, 17577, 32949, 42363, 48639, 52731, 98847, 113491, 127089, 145917, 296541, 340473, 437751, 889623, 1021419, 1313253, 3064257, 3939759, 9192771, 27578313]

約数ペア:

[(1, 27578313), (3, 9192771), (7, 3939759), (9, 3064257), (21, 1313253), (27, 1021419), (31, 889623), (63, 437751), (81, 340473), (93, 296541), (189, 145917), (217, 127089), (243, 113491), (279, 98847), (523, 52731), (567, 48639), (651, 42363), (837, 32949), (1569, 17577), (1701, 16213), (1953, 14121), (2511, 10983), (3661, 7533), (4707, 5859)]