67785921

素因数分解:

$3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{3083}}^1$

素因数の和:3445

約数の個数: 24

約数和(自身を含む): 112257600

約数和(自身を除く): 44471679

約数列:

[1, 3, 7, 9, 21, 63, 349, 1047, 2443, 3083, 3141, 7329, 9249, 21581, 21987, 27747, 64743, 194229, 1075967, 3227901, 7531769, 9683703, 22595307, 67785921]

約数ペア:

[(1, 67785921), (3, 22595307), (7, 9683703), (9, 7531769), (21, 3227901), (63, 1075967), (349, 194229), (1047, 64743), (2443, 27747), (3083, 21987), (3141, 21581), (7329, 9249)]