80467779

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1861}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 128701440

約数和(自身を除く): 48233661

約数列:

[1, 3, 7, 21, 29, 71, 87, 203, 213, 497, 609, 1491, 1861, 2059, 5583, 6177, 13027, 14413, 39081, 43239, 53969, 132131, 161907, 377783, 396393, 924917, 1133349, 2774751, 3831799, 11495397, 26822593, 80467779]

約数ペア:

[(1, 80467779), (3, 26822593), (7, 11495397), (21, 3831799), (29, 2774751), (71, 1133349), (87, 924917), (203, 396393), (213, 377783), (497, 161907), (609, 132131), (1491, 53969), (1861, 43239), (2059, 39081), (5583, 14413), (6177, 13027)]