2565591

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 4114944

約数和(自身を除く): 1549353

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 563, 651, 1519, 1689, 3941, 4557, 11823, 17453, 27587, 52359, 82761, 122171, 366513, 855197, 2565591]

約数ペア:

[(1, 2565591), (3, 855197), (7, 366513), (21, 122171), (31, 82761), (49, 52359), (93, 27587), (147, 17453), (217, 11823), (563, 4557), (651, 3941), (1519, 1689)]