164631447

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4651}}^1$

素因数の和:4705

約数の個数: 40

約数和(自身を含む): 270188160

約数和(自身を除く): 105556713

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 81, 171, 207, 437, 513, 621, 1311, 1539, 1863, 3933, 4651, 11799, 13953, 35397, 41859, 88369, 106973, 125577, 265107, 320919, 376731, 795321, 962757, 2032487, 2385963, 2888271, 6097461, 7157889, 8664813, 18292383, 54877149, 164631447]

約数ペア:

[(1, 164631447), (3, 54877149), (9, 18292383), (19, 8664813), (23, 7157889), (27, 6097461), (57, 2888271), (69, 2385963), (81, 2032487), (171, 962757), (207, 795321), (437, 376731), (513, 320919), (621, 265107), (1311, 125577), (1539, 106973), (1863, 88369), (3933, 41859), (4651, 35397), (11799, 13953)]