31031847

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6397}}^1$

素因数の和:6428

約数の個数: 36

約数和(自身を含む): 56891016

約数和(自身を除く): 25859169

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4851, 6397, 19191, 44779, 57573, 70367, 134337, 211101, 313453, 403011, 492569, 633303, 940359, 1477707, 2821077, 3447983, 4433121, 10343949, 31031847]

約数ペア:

[(1, 31031847), (3, 10343949), (7, 4433121), (9, 3447983), (11, 2821077), (21, 1477707), (33, 940359), (49, 633303), (63, 492569), (77, 403011), (99, 313453), (147, 211101), (231, 134337), (441, 70367), (539, 57573), (693, 44779), (1617, 19191), (4851, 6397)]