68678649

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 111296640

約数和(自身を除く): 42617991

約数列:

[1, 3, 9, 13, 39, 41, 103, 117, 123, 139, 309, 369, 417, 533, 927, 1251, 1339, 1599, 1807, 4017, 4223, 4797, 5421, 5699, 12051, 12669, 14317, 16263, 17097, 38007, 42951, 51291, 54899, 74087, 128853, 164697, 186121, 222261, 494091, 558363, 586997, 666783, 1675089, 1760991, 5282973, 7630961, 22892883, 68678649]

約数ペア:

[(1, 68678649), (3, 22892883), (9, 7630961), (13, 5282973), (39, 1760991), (41, 1675089), (103, 666783), (117, 586997), (123, 558363), (139, 494091), (309, 222261), (369, 186121), (417, 164697), (533, 128853), (927, 74087), (1251, 54899), (1339, 51291), (1599, 42951), (1807, 38007), (4017, 17097), (4223, 16263), (4797, 14317), (5421, 12669), (5699, 12051)]