12706281

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 23347200

約数和(自身を除く): 10640919

約数列:

[1, 3, 7, 9, 21, 23, 27, 37, 63, 69, 79, 111, 161, 189, 207, 237, 259, 333, 483, 553, 621, 711, 777, 851, 999, 1449, 1659, 1817, 2133, 2331, 2553, 2923, 4347, 4977, 5451, 5957, 6993, 7659, 8769, 12719, 14931, 16353, 17871, 20461, 22977, 26307, 38157, 49059, 53613, 61383, 67229, 78921, 114471, 160839, 184149, 201687, 343413, 470603, 552447, 605061, 1411809, 1815183, 4235427, 12706281]

約数ペア:

[(1, 12706281), (3, 4235427), (7, 1815183), (9, 1411809), (21, 605061), (23, 552447), (27, 470603), (37, 343413), (63, 201687), (69, 184149), (79, 160839), (111, 114471), (161, 78921), (189, 67229), (207, 61383), (237, 53613), (259, 49059), (333, 38157), (483, 26307), (553, 22977), (621, 20461), (711, 17871), (777, 16353), (851, 14931), (999, 12719), (1449, 8769), (1659, 7659), (1817, 6993), (2133, 5957), (2331, 5451), (2553, 4977), (2923, 4347)]