825825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1$

素因数の和:55

約数の個数: 72

約数和(自身を含む): 1847104

約数和(自身を除く): 1021279

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 25, 33, 35, 39, 55, 65, 75, 77, 91, 105, 121, 143, 165, 175, 195, 231, 273, 275, 325, 363, 385, 429, 455, 525, 605, 715, 825, 847, 975, 1001, 1155, 1365, 1573, 1815, 1925, 2145, 2275, 2541, 3003, 3025, 3575, 4235, 4719, 5005, 5775, 6825, 7865, 9075, 10725, 11011, 12705, 15015, 21175, 23595, 25025, 33033, 39325, 55055, 63525, 75075, 117975, 165165, 275275, 825825]

約数ペア:

[(1, 825825), (3, 275275), (5, 165165), (7, 117975), (11, 75075), (13, 63525), (15, 55055), (21, 39325), (25, 33033), (33, 25025), (35, 23595), (39, 21175), (55, 15015), (65, 12705), (75, 11011), (77, 10725), (91, 9075), (105, 7865), (121, 6825), (143, 5775), (165, 5005), (175, 4719), (195, 4235), (231, 3575), (273, 3025), (275, 3003), (325, 2541), (363, 2275), (385, 2145), (429, 1925), (455, 1815), (525, 1573), (605, 1365), (715, 1155), (825, 1001), (847, 975)]