80172183

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41953}}^1$

素因数の和:41983

約数の個数: 24

約数和(自身を含む): 133917168

約数和(自身を除く): 53744985

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 41953, 125859, 293671, 545389, 881013, 1636167, 2055697, 3817723, 6167091, 11453169, 26724061, 80172183]

約数ペア:

[(1, 80172183), (3, 26724061), (7, 11453169), (13, 6167091), (21, 3817723), (39, 2055697), (49, 1636167), (91, 881013), (147, 545389), (273, 293671), (637, 125859), (1911, 41953)]