68445405

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{3449}}^1$

素因数の和:3480

約数の個数: 60

約数和(自身を含む): 142767900

約数和(自身を除く): 74322495

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 245, 315, 405, 441, 567, 735, 945, 1323, 2205, 2835, 3449, 3969, 6615, 10347, 17245, 19845, 24143, 31041, 51735, 72429, 93123, 120715, 155205, 169001, 217287, 279369, 362145, 465615, 507003, 651861, 845005, 1086435, 1396845, 1521009, 1955583, 2535015, 3259305, 4563027, 7605045, 9777915, 13689081, 22815135, 68445405]

約数ペア:

[(1, 68445405), (3, 22815135), (5, 13689081), (7, 9777915), (9, 7605045), (15, 4563027), (21, 3259305), (27, 2535015), (35, 1955583), (45, 1521009), (49, 1396845), (63, 1086435), (81, 845005), (105, 651861), (135, 507003), (147, 465615), (189, 362145), (245, 279369), (315, 217287), (405, 169001), (441, 155205), (567, 120715), (735, 93123), (945, 72429), (1323, 51735), (2205, 31041), (2835, 24143), (3449, 19845), (3969, 17245), (6615, 10347)]