12681873

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 20160000

約数和(自身を除く): 7478127

約数列:

[1, 3, 9, 19, 27, 57, 59, 171, 177, 419, 513, 531, 1121, 1257, 1593, 3363, 3771, 7961, 10089, 11313, 23883, 24721, 30267, 71649, 74163, 214947, 222489, 469699, 667467, 1409097, 4227291, 12681873]

約数ペア:

[(1, 12681873), (3, 4227291), (9, 1409097), (19, 667467), (27, 469699), (57, 222489), (59, 214947), (171, 74163), (177, 71649), (419, 30267), (513, 24721), (531, 23883), (1121, 11313), (1257, 10089), (1593, 7961), (3363, 3771)]