2021967549

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1609}}^1$

素因数の和:1795

約数の個数: 64

約数和(自身を含む): 3513664000

約数和(自身を除く): 1491696451

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 109, 183, 189, 327, 427, 549, 763, 981, 1281, 1609, 1647, 2289, 2943, 3843, 4827, 6649, 6867, 11263, 11529, 14481, 19947, 20601, 33789, 43443, 46543, 59841, 98149, 101367, 139629, 175381, 179523, 294447, 304101, 418887, 526143, 687043, 883341, 1227667, 1256661, 1578429, 2061129, 2650023, 3683001, 4735287, 6183387, 10698241, 11049003, 18550161, 32094723, 33147009, 74887687, 96284169, 224663061, 288852507, 673989183, 2021967549]

約数ペア:

[(1, 2021967549), (3, 673989183), (7, 288852507), (9, 224663061), (21, 96284169), (27, 74887687), (61, 33147009), (63, 32094723), (109, 18550161), (183, 11049003), (189, 10698241), (327, 6183387), (427, 4735287), (549, 3683001), (763, 2650023), (981, 2061129), (1281, 1578429), (1609, 1256661), (1647, 1227667), (2289, 883341), (2943, 687043), (3843, 526143), (4827, 418887), (6649, 304101), (6867, 294447), (11263, 179523), (11529, 175381), (14481, 139629), (19947, 101367), (20601, 98149), (33789, 59841), (43443, 46543)]