18273255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1217}}^1$

素因数の和:1256

約数の個数: 64

約数和(自身を含む): 39287808

約数和(自身を除く): 21014553

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 143, 165, 195, 231, 273, 385, 429, 455, 715, 1001, 1155, 1217, 1365, 2145, 3003, 3651, 5005, 6085, 8519, 13387, 15015, 15821, 18255, 25557, 40161, 42595, 47463, 66935, 79105, 93709, 110747, 127785, 174031, 200805, 237315, 281127, 332241, 468545, 522093, 553735, 870155, 1218217, 1405635, 1661205, 2610465, 3654651, 6091085, 18273255]

約数ペア:

[(1, 18273255), (3, 6091085), (5, 3654651), (7, 2610465), (11, 1661205), (13, 1405635), (15, 1218217), (21, 870155), (33, 553735), (35, 522093), (39, 468545), (55, 332241), (65, 281127), (77, 237315), (91, 200805), (105, 174031), (143, 127785), (165, 110747), (195, 93709), (231, 79105), (273, 66935), (385, 47463), (429, 42595), (455, 40161), (715, 25557), (1001, 18255), (1155, 15821), (1217, 15015), (1365, 13387), (2145, 8519), (3003, 6085), (3651, 5005)]