81357441

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{563}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 123448320

約数和(自身を除く): 42090879

約数列:

[1, 3, 11, 29, 33, 87, 151, 319, 453, 563, 957, 1661, 1689, 4379, 4983, 6193, 13137, 16327, 18579, 48169, 48981, 85013, 144507, 179597, 255039, 538791, 935143, 2465377, 2805429, 7396131, 27119147, 81357441]

約数ペア:

[(1, 81357441), (3, 27119147), (11, 7396131), (29, 2805429), (33, 2465377), (87, 935143), (151, 538791), (319, 255039), (453, 179597), (563, 144507), (957, 85013), (1661, 48981), (1689, 48169), (4379, 18579), (4983, 16327), (6193, 13137)]