812698887

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{977}}^1$

素因数の和:1288

約数の個数: 64

約数和(自身を含む): 1461648384

約数和(自身を除く): 648949497

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 277, 429, 831, 977, 1001, 1939, 2931, 3003, 3047, 3601, 5817, 6839, 9141, 10747, 10803, 12701, 20517, 21329, 25207, 32241, 38103, 39611, 63987, 75229, 75621, 88907, 118833, 139711, 225687, 266721, 270629, 277277, 419133, 811887, 831831, 977977, 1894403, 2933931, 2976919, 3518177, 5683209, 8930757, 10554531, 20838433, 24627239, 38699947, 62515299, 73881717, 116099841, 270899629, 812698887]

約数ペア:

[(1, 812698887), (3, 270899629), (7, 116099841), (11, 73881717), (13, 62515299), (21, 38699947), (33, 24627239), (39, 20838433), (77, 10554531), (91, 8930757), (143, 5683209), (231, 3518177), (273, 2976919), (277, 2933931), (429, 1894403), (831, 977977), (977, 831831), (1001, 811887), (1939, 419133), (2931, 277277), (3003, 270629), (3047, 266721), (3601, 225687), (5817, 139711), (6839, 118833), (9141, 88907), (10747, 75621), (10803, 75229), (12701, 63987), (20517, 39611), (21329, 38103), (25207, 32241)]