6987915

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 13927680

約数和(自身を除く): 6939765

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 495, 627, 743, 855, 1045, 1881, 2229, 3135, 3715, 6687, 8173, 9405, 11145, 14117, 24519, 33435, 40865, 42351, 70585, 73557, 122595, 127053, 155287, 211755, 367785, 465861, 635265, 776435, 1397583, 2329305, 6987915]

約数ペア:

[(1, 6987915), (3, 2329305), (5, 1397583), (9, 776435), (11, 635265), (15, 465861), (19, 367785), (33, 211755), (45, 155287), (55, 127053), (57, 122595), (95, 73557), (99, 70585), (165, 42351), (171, 40865), (209, 33435), (285, 24519), (495, 14117), (627, 11145), (743, 9405), (855, 8173), (1045, 6687), (1881, 3715), (2229, 3135)]