66717777

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1543}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 106721280

約数和(自身を除く): 40003503

約数列:

[1, 3, 7, 21, 29, 71, 87, 203, 213, 497, 609, 1491, 1543, 2059, 4629, 6177, 10801, 14413, 32403, 43239, 44747, 109553, 134241, 313229, 328659, 766871, 939687, 2300613, 3177037, 9531111, 22239259, 66717777]

約数ペア:

[(1, 66717777), (3, 22239259), (7, 9531111), (21, 3177037), (29, 2300613), (71, 939687), (87, 766871), (203, 328659), (213, 313229), (497, 134241), (609, 109553), (1491, 44747), (1543, 43239), (2059, 32403), (4629, 14413), (6177, 10801)]