81537831

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{1303}}^1$

素因数の和:1735

約数の個数: 24

約数和(自身を含む): 125105760

約数和(自身を除く): 43567929

約数列:

[1, 3, 9, 17, 51, 153, 409, 1227, 1303, 3681, 3909, 6953, 11727, 20859, 22151, 62577, 66453, 199359, 532927, 1598781, 4796343, 9059759, 27179277, 81537831]

約数ペア:

[(1, 81537831), (3, 27179277), (9, 9059759), (17, 4796343), (51, 1598781), (153, 532927), (409, 199359), (1227, 66453), (1303, 62577), (3681, 22151), (3909, 20859), (6953, 11727)]