30331413

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6781}}^1$

素因数の和:6865

約数の個数: 24

約数和(自身を含む): 50783616

約数和(自身を除く): 20452203

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 6781, 20343, 47467, 61029, 142401, 427203, 481451, 1444353, 3370157, 4333059, 10110471, 30331413]

約数ペア:

[(1, 30331413), (3, 10110471), (7, 4333059), (9, 3370157), (21, 1444353), (63, 481451), (71, 427203), (213, 142401), (497, 61029), (639, 47467), (1491, 20343), (4473, 6781)]