42721245

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{135623}}^1$

素因数の和:135641

約数の個数: 24

約数和(自身を含む): 84629376

約数和(自身を除く): 41908131

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 135623, 406869, 678115, 949361, 1220607, 2034345, 2848083, 4746805, 6103035, 8544249, 14240415, 42721245]

約数ペア:

[(1, 42721245), (3, 14240415), (5, 8544249), (7, 6103035), (9, 4746805), (15, 2848083), (21, 2034345), (35, 1220607), (45, 949361), (63, 678115), (105, 406869), (315, 135623)]