81241665

素因数分解:

$3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{31307}}^1$

素因数の和:31488

約数の個数: 16

約数和(自身を含む): 130742208

約数和(自身を除く): 49500543

約数列:

[1, 3, 5, 15, 173, 519, 865, 2595, 31307, 93921, 156535, 469605, 5416111, 16248333, 27080555, 81241665]

約数ペア:

[(1, 81241665), (3, 27080555), (5, 16248333), (15, 5416111), (173, 469605), (519, 156535), (865, 93921), (2595, 31307)]