56555765217

素因数分解:

$3^3\times 7^1\times {\mathrm{647}}^1\times {\mathrm{462499}}^1$

素因数の和:463162

約数の個数: 32

約数和(自身を含む): 95904000000

約数和(自身を除く): 39348234783

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 647, 1941, 4529, 5823, 13587, 17469, 40761, 122283, 462499, 1387497, 3237493, 4162491, 9712479, 12487473, 29137437, 87412311, 299236853, 897710559, 2094657971, 2693131677, 6283973913, 8079395031, 18851921739, 56555765217]

約数ペア:

[(1, 56555765217), (3, 18851921739), (7, 8079395031), (9, 6283973913), (21, 2693131677), (27, 2094657971), (63, 897710559), (189, 299236853), (647, 87412311), (1941, 29137437), (4529, 12487473), (5823, 9712479), (13587, 4162491), (17469, 3237493), (40761, 1387497), (122283, 462499)]