515356821

素因数分解:

$3^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{27919}}^1$

素因数の和:28225

約数の個数: 24

約数和(自身を含む): 853681920

約数和(自身を除く): 338325099

約数列:

[1, 3, 7, 9, 21, 63, 293, 879, 2051, 2637, 6153, 18459, 27919, 83757, 195433, 251271, 586299, 1758897, 8180267, 24540801, 57261869, 73622403, 171785607, 515356821]

約数ペア:

[(1, 515356821), (3, 171785607), (7, 73622403), (9, 57261869), (21, 24540801), (63, 8180267), (293, 1758897), (879, 586299), (2051, 251271), (2637, 195433), (6153, 83757), (18459, 27919)]