2042565

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{397}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 3820800

約数和(自身を除く): 1778235

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 397, 735, 1029, 1191, 1715, 1985, 2779, 5145, 5955, 8337, 13895, 19453, 41685, 58359, 97265, 136171, 291795, 408513, 680855, 2042565]

約数ペア:

[(1, 2042565), (3, 680855), (5, 408513), (7, 291795), (15, 136171), (21, 97265), (35, 58359), (49, 41685), (105, 19453), (147, 13895), (245, 8337), (343, 5955), (397, 5145), (735, 2779), (1029, 1985), (1191, 1715)]