81654155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{577}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 111863808

約数和(自身を除く): 30209653

約数列:

[1, 5, 11, 31, 55, 83, 155, 341, 415, 577, 913, 1705, 2573, 2885, 4565, 6347, 12865, 17887, 28303, 31735, 47891, 89435, 141515, 196757, 239455, 526801, 983785, 1484621, 2634005, 7423105, 16330831, 81654155]

約数ペア:

[(1, 81654155), (5, 16330831), (11, 7423105), (31, 2634005), (55, 1484621), (83, 983785), (155, 526801), (341, 239455), (415, 196757), (577, 141515), (913, 89435), (1705, 47891), (2573, 31735), (2885, 28303), (4565, 17887), (6347, 12865)]