28027386

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{67699}}^1$

素因数の和:67730

約数の個数: 24

約数和(自身を含む): 63367200

約数和(自身を除く): 35339814

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 67699, 135398, 203097, 406194, 609291, 1218582, 1557077, 3114154, 4671231, 9342462, 14013693, 28027386]

約数ペア:

[(1, 28027386), (2, 14013693), (3, 9342462), (6, 4671231), (9, 3114154), (18, 1557077), (23, 1218582), (46, 609291), (69, 406194), (138, 203097), (207, 135398), (414, 67699)]