554640561

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:723

約数の個数: 64

約数和(自身を含む): 905379840

約数和(自身を除く): 350739279

約数列:

[1, 3, 9, 23, 27, 31, 47, 69, 93, 141, 207, 279, 423, 613, 621, 713, 837, 1081, 1269, 1457, 1839, 2139, 3243, 4371, 5517, 6417, 9729, 13113, 14099, 16551, 19003, 19251, 28811, 29187, 33511, 39339, 42297, 57009, 86433, 100533, 126891, 171027, 259299, 301599, 380673, 437069, 513081, 662653, 777897, 893141, 904797, 1311207, 1987959, 2679423, 3933621, 5963877, 8038269, 11800863, 17891631, 20542243, 24114807, 61626729, 184880187, 554640561]

約数ペア:

[(1, 554640561), (3, 184880187), (9, 61626729), (23, 24114807), (27, 20542243), (31, 17891631), (47, 11800863), (69, 8038269), (93, 5963877), (141, 3933621), (207, 2679423), (279, 1987959), (423, 1311207), (613, 904797), (621, 893141), (713, 777897), (837, 662653), (1081, 513081), (1269, 437069), (1457, 380673), (1839, 301599), (2139, 259299), (3243, 171027), (4371, 126891), (5517, 100533), (6417, 86433), (9729, 57009), (13113, 42297), (14099, 39339), (16551, 33511), (19003, 29187), (19251, 28811)]