81567375

素因数分解:

$3^1\times 5^3\times {\mathrm{443}}^1\times {\mathrm{491}}^1$

素因数の和:952

約数の個数: 32

約数和(自身を含む): 136311552

約数和(自身を除く): 54744177

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 443, 491, 1329, 1473, 2215, 2455, 6645, 7365, 11075, 12275, 33225, 36825, 55375, 61375, 166125, 184125, 217513, 652539, 1087565, 3262695, 5437825, 16313475, 27189125, 81567375]

約数ペア:

[(1, 81567375), (3, 27189125), (5, 16313475), (15, 5437825), (25, 3262695), (75, 1087565), (125, 652539), (375, 217513), (443, 184125), (491, 166125), (1329, 61375), (1473, 55375), (2215, 36825), (2455, 33225), (6645, 12275), (7365, 11075)]