81221196

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{966919}}^1$

素因数の和:966933

約数の個数: 24

約数和(自身を含む): 216590080

約数和(自身を除く): 135368884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 966919, 1933838, 2900757, 3867676, 5801514, 6768433, 11603028, 13536866, 20305299, 27073732, 40610598, 81221196]

約数ペア:

[(1, 81221196), (2, 40610598), (3, 27073732), (4, 20305299), (6, 13536866), (7, 11603028), (12, 6768433), (14, 5801514), (21, 3867676), (28, 2900757), (42, 1933838), (84, 966919)]