2511495

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 5441904

約数和(自身を除く): 2930409

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 67, 85, 105, 119, 147, 153, 201, 245, 255, 315, 335, 357, 441, 469, 595, 603, 735, 765, 833, 1005, 1071, 1139, 1407, 1785, 2205, 2345, 2499, 3015, 3283, 3417, 4165, 4221, 5355, 5695, 7035, 7497, 7973, 9849, 10251, 12495, 16415, 17085, 21105, 23919, 29547, 37485, 39865, 49245, 51255, 55811, 71757, 119595, 147735, 167433, 279055, 358785, 502299, 837165, 2511495]

約数ペア:

[(1, 2511495), (3, 837165), (5, 502299), (7, 358785), (9, 279055), (15, 167433), (17, 147735), (21, 119595), (35, 71757), (45, 55811), (49, 51255), (51, 49245), (63, 39865), (67, 37485), (85, 29547), (105, 23919), (119, 21105), (147, 17085), (153, 16415), (201, 12495), (245, 10251), (255, 9849), (315, 7973), (335, 7497), (357, 7035), (441, 5695), (469, 5355), (595, 4221), (603, 4165), (735, 3417), (765, 3283), (833, 3015), (1005, 2499), (1071, 2345), (1139, 2205), (1407, 1785)]