80478243

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2389}}^1$

素因数の和:2611

約数の個数: 24

約数和(自身を含む): 123037200

約数和(自身を除く): 42558957

約数列:

[1, 3, 9, 19, 57, 171, 197, 591, 1773, 2389, 3743, 7167, 11229, 21501, 33687, 45391, 136173, 408519, 470633, 1411899, 4235697, 8942027, 26826081, 80478243]

約数ペア:

[(1, 80478243), (3, 26826081), (9, 8942027), (19, 4235697), (57, 1411899), (171, 470633), (197, 408519), (591, 136173), (1773, 45391), (2389, 33687), (3743, 21501), (7167, 11229)]