155920005

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67939}}^1$

素因数の和:67970

約数の個数: 32

約数和(自身を含む): 293500800

約数和(自身を除く): 137580795

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 67939, 203817, 339695, 611451, 1019085, 1154963, 1834353, 3057255, 3464889, 5774815, 9171765, 10394667, 17324445, 31184001, 51973335, 155920005]

約数ペア:

[(1, 155920005), (3, 51973335), (5, 31184001), (9, 17324445), (15, 10394667), (17, 9171765), (27, 5774815), (45, 3464889), (51, 3057255), (85, 1834353), (135, 1154963), (153, 1019085), (255, 611451), (459, 339695), (765, 203817), (2295, 67939)]