81844265

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{2521}}^1$

素因数の和:2720

約数の個数: 16

約数和(自身を含む): 101202816

約数和(自身を除く): 19358551

約数列:

[1, 5, 43, 151, 215, 755, 2521, 6493, 12605, 32465, 108403, 380671, 542015, 1903355, 16368853, 81844265]

約数ペア:

[(1, 81844265), (5, 16368853), (43, 1903355), (151, 542015), (215, 380671), (755, 108403), (2521, 32465), (6493, 12605)]