66278709

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 119193600

約数和(自身を除く): 52914891

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 79, 161, 189, 193, 207, 237, 483, 553, 579, 621, 711, 1351, 1449, 1659, 1737, 1817, 2133, 4053, 4347, 4439, 4977, 5211, 5451, 12159, 12719, 13317, 14931, 15247, 16353, 31073, 36477, 38157, 39951, 45741, 49059, 93219, 106729, 114471, 119853, 137223, 279657, 320187, 343413, 350681, 411669, 838971, 960561, 1052043, 2454767, 2881683, 3156129, 7364301, 9468387, 22092903, 66278709]

約数ペア:

[(1, 66278709), (3, 22092903), (7, 9468387), (9, 7364301), (21, 3156129), (23, 2881683), (27, 2454767), (63, 1052043), (69, 960561), (79, 838971), (161, 411669), (189, 350681), (193, 343413), (207, 320187), (237, 279657), (483, 137223), (553, 119853), (579, 114471), (621, 106729), (711, 93219), (1351, 49059), (1449, 45741), (1659, 39951), (1737, 38157), (1817, 36477), (2133, 31073), (4053, 16353), (4347, 15247), (4439, 14931), (4977, 13317), (5211, 12719), (5451, 12159)]