81184215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17981}}^1$

素因数の和:18039

約数の個数: 32

約数和(自身を含む): 151911936

約数和(自身を除く): 70727721

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4515, 17981, 53943, 89905, 125867, 269715, 377601, 629335, 773183, 1888005, 2319549, 3865915, 5412281, 11597745, 16236843, 27061405, 81184215]

約数ペア:

[(1, 81184215), (3, 27061405), (5, 16236843), (7, 11597745), (15, 5412281), (21, 3865915), (35, 2319549), (43, 1888005), (105, 773183), (129, 629335), (215, 377601), (301, 269715), (645, 125867), (903, 89905), (1505, 53943), (4515, 17981)]