131191845

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{919}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 217620480

約数和(自身を除く): 86428635

約数列:

[1, 3, 5, 15, 31, 93, 155, 307, 465, 919, 921, 1535, 2757, 4595, 4605, 9517, 13785, 28489, 28551, 47585, 85467, 142445, 142755, 282133, 427335, 846399, 1410665, 4231995, 8746123, 26238369, 43730615, 131191845]

約数ペア:

[(1, 131191845), (3, 43730615), (5, 26238369), (15, 8746123), (31, 4231995), (93, 1410665), (155, 846399), (307, 427335), (465, 282133), (919, 142755), (921, 142445), (1535, 85467), (2757, 47585), (4595, 28551), (4605, 28489), (9517, 13785)]