28319445

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{743}}^1$

素因数の和:783

約数の個数: 72

約数和(自身を含む): 61746048

約数和(自身を除く): 33426603

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 121, 165, 231, 315, 363, 385, 495, 605, 693, 743, 847, 1089, 1155, 1815, 2229, 2541, 3465, 3715, 4235, 5201, 5445, 6687, 7623, 8173, 11145, 12705, 15603, 24519, 26005, 33435, 38115, 40865, 46809, 57211, 73557, 78015, 89903, 122595, 171633, 234045, 269709, 286055, 367785, 449515, 514899, 629321, 809127, 858165, 1348545, 1887963, 2574495, 3146605, 4045635, 5663889, 9439815, 28319445]

約数ペア:

[(1, 28319445), (3, 9439815), (5, 5663889), (7, 4045635), (9, 3146605), (11, 2574495), (15, 1887963), (21, 1348545), (33, 858165), (35, 809127), (45, 629321), (55, 514899), (63, 449515), (77, 367785), (99, 286055), (105, 269709), (121, 234045), (165, 171633), (231, 122595), (315, 89903), (363, 78015), (385, 73557), (495, 57211), (605, 46809), (693, 40865), (743, 38115), (847, 33435), (1089, 26005), (1155, 24519), (1815, 15603), (2229, 12705), (2541, 11145), (3465, 8173), (3715, 7623), (4235, 6687), (5201, 5445)]