81185202

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{644327}}^1$

素因数の和:644342

約数の個数: 24

約数和(自身を含む): 201030336

約数和(自身を除く): 119845134

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 644327, 1288654, 1932981, 3865962, 4510289, 5798943, 9020578, 11597886, 13530867, 27061734, 40592601, 81185202]

約数ペア:

[(1, 81185202), (2, 40592601), (3, 27061734), (6, 13530867), (7, 11597886), (9, 9020578), (14, 5798943), (18, 4510289), (21, 3865962), (42, 1932981), (63, 1288654), (126, 644327)]