2821185

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 4964544

約数和(自身を除く): 2143359

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 883, 1065, 2649, 3195, 4415, 7947, 13245, 39735, 62693, 188079, 313465, 564237, 940395, 2821185]

約数ペア:

[(1, 2821185), (3, 940395), (5, 564237), (9, 313465), (15, 188079), (45, 62693), (71, 39735), (213, 13245), (355, 7947), (639, 4415), (883, 3195), (1065, 2649)]