31491939

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19919}}^1$

素因数の和:19970

約数の個数: 16

約数和(自身を含む): 45895680

約数和(自身を除く): 14403741

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 19919, 59757, 338623, 617489, 1015869, 1852467, 10497313, 31491939]

約数ペア:

[(1, 31491939), (3, 10497313), (17, 1852467), (31, 1015869), (51, 617489), (93, 338623), (527, 59757), (1581, 19919)]