64028727

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 112320000

約数和(自身を除く): 48291273

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 149, 171, 359, 399, 447, 1043, 1077, 1197, 1341, 2513, 2831, 3129, 3231, 6821, 7539, 8493, 9387, 19817, 20463, 22617, 25479, 47747, 53491, 59451, 61389, 143241, 160473, 178353, 374437, 429723, 481419, 1016329, 1123311, 3048987, 3369933, 7114303, 9146961, 21342909, 64028727]

約数ペア:

[(1, 64028727), (3, 21342909), (7, 9146961), (9, 7114303), (19, 3369933), (21, 3048987), (57, 1123311), (63, 1016329), (133, 481419), (149, 429723), (171, 374437), (359, 178353), (399, 160473), (447, 143241), (1043, 61389), (1077, 59451), (1197, 53491), (1341, 47747), (2513, 25479), (2831, 22617), (3129, 20463), (3231, 19817), (6821, 9387), (7539, 8493)]