81437454

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{215443}}^1$

素因数の和:215461

約数の個数: 32

約数和(自身を含む): 206826240

約数和(自身を除く): 125388786

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 215443, 430886, 646329, 1292658, 1508101, 1938987, 3016202, 3877974, 4524303, 5816961, 9048606, 11633922, 13572909, 27145818, 40718727, 81437454]

約数ペア:

[(1, 81437454), (2, 40718727), (3, 27145818), (6, 13572909), (7, 11633922), (9, 9048606), (14, 5816961), (18, 4524303), (21, 3877974), (27, 3016202), (42, 1938987), (54, 1508101), (63, 1292658), (126, 646329), (189, 430886), (378, 215443)]