81008475

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{18307}}^1$

素因数の和:18379

約数の個数: 24

約数和(自身を含む): 136211520

約数和(自身を除く): 55203045

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 885, 1475, 4425, 18307, 54921, 91535, 274605, 457675, 1080113, 1373025, 3240339, 5400565, 16201695, 27002825, 81008475]

約数ペア:

[(1, 81008475), (3, 27002825), (5, 16201695), (15, 5400565), (25, 3240339), (59, 1373025), (75, 1080113), (177, 457675), (295, 274605), (885, 91535), (1475, 54921), (4425, 18307)]