278848089

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{857}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 454726272

約数和(自身を除く): 175878183

約数列:

[1, 3, 9, 13, 27, 39, 81, 103, 117, 243, 309, 351, 857, 927, 1053, 1339, 2571, 2781, 3159, 4017, 7713, 8343, 11141, 12051, 23139, 25029, 33423, 36153, 69417, 88271, 100269, 108459, 208251, 264813, 300807, 325377, 794439, 902421, 1147523, 2383317, 2707263, 3442569, 7149951, 10327707, 21449853, 30983121, 92949363, 278848089]

約数ペア:

[(1, 278848089), (3, 92949363), (9, 30983121), (13, 21449853), (27, 10327707), (39, 7149951), (81, 3442569), (103, 2707263), (117, 2383317), (243, 1147523), (309, 902421), (351, 794439), (857, 325377), (927, 300807), (1053, 264813), (1339, 208251), (2571, 108459), (2781, 100269), (3159, 88271), (4017, 69417), (7713, 36153), (8343, 33423), (11141, 25029), (12051, 23139)]