991590015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1621}}^1\times {\mathrm{3137}}^1$

素因数の和:4779

約数の個数: 32

約数和(自身を含む): 1710184896

約数和(自身を除く): 718594881

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1621, 3137, 4863, 8105, 9411, 15685, 21073, 24315, 40781, 47055, 63219, 105365, 122343, 203905, 316095, 611715, 5085077, 15255231, 25425385, 66106001, 76276155, 198318003, 330530005, 991590015]

約数ペア:

[(1, 991590015), (3, 330530005), (5, 198318003), (13, 76276155), (15, 66106001), (39, 25425385), (65, 15255231), (195, 5085077), (1621, 611715), (3137, 316095), (4863, 203905), (8105, 122343), (9411, 105365), (15685, 63219), (21073, 47055), (24315, 40781)]