81611388

素因数分解:

$2^2\times 3^4\times {\mathrm{251887}}^1$

素因数の和:251903

約数の個数: 30

約数和(自身を含む): 213349136

約数和(自身を除く): 131737748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 251887, 503774, 755661, 1007548, 1511322, 2266983, 3022644, 4533966, 6800949, 9067932, 13601898, 20402847, 27203796, 40805694, 81611388]

約数ペア:

[(1, 81611388), (2, 40805694), (3, 27203796), (4, 20402847), (6, 13601898), (9, 9067932), (12, 6800949), (18, 4533966), (27, 3022644), (36, 2266983), (54, 1511322), (81, 1007548), (108, 755661), (162, 503774), (324, 251887)]