2521365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:122

約数の個数: 64

約数和(自身を含む): 5253120

約数和(自身を除く): 2731755

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 37, 55, 59, 77, 105, 111, 165, 177, 185, 231, 259, 295, 385, 407, 413, 555, 649, 777, 885, 1155, 1221, 1239, 1295, 1947, 2035, 2065, 2183, 2849, 3245, 3885, 4543, 6105, 6195, 6549, 8547, 9735, 10915, 13629, 14245, 15281, 22715, 24013, 32745, 42735, 45843, 68145, 72039, 76405, 120065, 168091, 229215, 360195, 504273, 840455, 2521365]

約数ペア:

[(1, 2521365), (3, 840455), (5, 504273), (7, 360195), (11, 229215), (15, 168091), (21, 120065), (33, 76405), (35, 72039), (37, 68145), (55, 45843), (59, 42735), (77, 32745), (105, 24013), (111, 22715), (165, 15281), (177, 14245), (185, 13629), (231, 10915), (259, 9735), (295, 8547), (385, 6549), (407, 6195), (413, 6105), (555, 4543), (649, 3885), (777, 3245), (885, 2849), (1155, 2183), (1221, 2065), (1239, 2035), (1295, 1947)]