28103666661

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{15287}}^1$

素因数の和:15511

約数の個数: 64

約数和(自身を含む): 48608501760

約数和(自身を除く): 20504835099

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 137, 189, 213, 411, 497, 639, 959, 1233, 1491, 1917, 2877, 3699, 4473, 8631, 9727, 13419, 15287, 25893, 29181, 45861, 68089, 87543, 107009, 137583, 204267, 262629, 321027, 412749, 612801, 963081, 1085377, 1838403, 2094319, 2889243, 3256131, 6282957, 7597639, 9768393, 14660233, 18848871, 22792917, 29305179, 43980699, 56546613, 68378751, 131942097, 148696649, 205136253, 395826291, 446089947, 1040876543, 1338269841, 3122629629, 4014809523, 9367888887, 28103666661]

約数ペア:

[(1, 28103666661), (3, 9367888887), (7, 4014809523), (9, 3122629629), (21, 1338269841), (27, 1040876543), (63, 446089947), (71, 395826291), (137, 205136253), (189, 148696649), (213, 131942097), (411, 68378751), (497, 56546613), (639, 43980699), (959, 29305179), (1233, 22792917), (1491, 18848871), (1917, 14660233), (2877, 9768393), (3699, 7597639), (4473, 6282957), (8631, 3256131), (9727, 2889243), (13419, 2094319), (15287, 1838403), (25893, 1085377), (29181, 963081), (45861, 612801), (68089, 412749), (87543, 321027), (107009, 262629), (137583, 204267)]