68577705

素因数分解:

$3^3\times 5^1\times 7^3\times {\mathrm{1481}}^1$

素因数の和:1516

約数の個数: 64

約数和(自身を含む): 142272000

約数和(自身を除く): 73694295

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 343, 441, 735, 945, 1029, 1323, 1481, 1715, 2205, 3087, 4443, 5145, 6615, 7405, 9261, 10367, 13329, 15435, 22215, 31101, 39987, 46305, 51835, 66645, 72569, 93303, 155505, 199935, 217707, 279909, 362845, 466515, 507983, 653121, 1088535, 1399545, 1523949, 1959363, 2539915, 3265605, 4571847, 7619745, 9796815, 13715541, 22859235, 68577705]

約数ペア:

[(1, 68577705), (3, 22859235), (5, 13715541), (7, 9796815), (9, 7619745), (15, 4571847), (21, 3265605), (27, 2539915), (35, 1959363), (45, 1523949), (49, 1399545), (63, 1088535), (105, 653121), (135, 507983), (147, 466515), (189, 362845), (245, 279909), (315, 217707), (343, 199935), (441, 155505), (735, 93303), (945, 72569), (1029, 66645), (1323, 51835), (1481, 46305), (1715, 39987), (2205, 31101), (3087, 22215), (4443, 15435), (5145, 13329), (6615, 10367), (7405, 9261)]