81964875

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{7537}}^1$

素因数の和:7584

約数の個数: 32

約数和(自身を含む): 141111360

約数和(自身を除く): 59146485

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 145, 375, 435, 725, 2175, 3625, 7537, 10875, 22611, 37685, 113055, 188425, 218573, 565275, 655719, 942125, 1092865, 2826375, 3278595, 5464325, 16392975, 27321625, 81964875]

約数ペア:

[(1, 81964875), (3, 27321625), (5, 16392975), (15, 5464325), (25, 3278595), (29, 2826375), (75, 1092865), (87, 942125), (125, 655719), (145, 565275), (375, 218573), (435, 188425), (725, 113055), (2175, 37685), (3625, 22611), (7537, 10875)]