40394571

素因数分解:

$3^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{971}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 62938944

約数和(自身を除く): 22544373

約数列:

[1, 3, 7, 21, 49, 147, 283, 849, 971, 1981, 2913, 5943, 6797, 13867, 20391, 41601, 47579, 142737, 274793, 824379, 1923551, 5770653, 13464857, 40394571]

約数ペア:

[(1, 40394571), (3, 13464857), (7, 5770653), (21, 1923551), (49, 824379), (147, 274793), (283, 142737), (849, 47579), (971, 41601), (1981, 20391), (2913, 13867), (5943, 6797)]