80987613

素因数分解:

$3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{7919}}^1$

素因数の和:8416

約数の個数: 16

約数和(自身を含む): 123678720

約数和(自身を除く): 42691107

約数列:

[1, 3, 7, 21, 487, 1461, 3409, 7919, 10227, 23757, 55433, 166299, 3856553, 11569659, 26995871, 80987613]

約数ペア:

[(1, 80987613), (3, 26995871), (7, 11569659), (21, 3856553), (487, 166299), (1461, 55433), (3409, 23757), (7919, 10227)]