90308379

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1637}}^1$

素因数の和:1755

約数の個数: 32

約数和(自身を含む): 143410176

約数和(自身を除く): 53101797

約数列:

[1, 3, 7, 21, 37, 71, 111, 213, 259, 497, 777, 1491, 1637, 2627, 4911, 7881, 11459, 18389, 34377, 55167, 60569, 116227, 181707, 348681, 423983, 813589, 1271949, 2440767, 4300399, 12901197, 30102793, 90308379]

約数ペア:

[(1, 90308379), (3, 30102793), (7, 12901197), (21, 4300399), (37, 2440767), (71, 1271949), (111, 813589), (213, 423983), (259, 348681), (497, 181707), (777, 116227), (1491, 60569), (1637, 55167), (2627, 34377), (4911, 18389), (7881, 11459)]