40306077

素因数分解:

$3^2\times 7^2\times {\mathrm{91397}}^1$

素因数の和:91417

約数の個数: 18

約数和(自身を含む): 67725918

約数和(自身を除く): 27419841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 91397, 274191, 639779, 822573, 1919337, 4478453, 5758011, 13435359, 40306077]

約数ペア:

[(1, 40306077), (3, 13435359), (7, 5758011), (9, 4478453), (21, 1919337), (49, 822573), (63, 639779), (147, 274191), (441, 91397)]