28785705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3433}}^1$

素因数の和:3497

約数の個数: 32

約数和(自身を含む): 50768256

約数和(自身を除く): 21982551

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 3433, 8385, 10299, 17165, 44629, 51495, 133887, 147619, 223145, 442857, 669435, 738095, 1919047, 2214285, 5757141, 9595235, 28785705]

約数ペア:

[(1, 28785705), (3, 9595235), (5, 5757141), (13, 2214285), (15, 1919047), (39, 738095), (43, 669435), (65, 442857), (129, 223145), (195, 147619), (215, 133887), (559, 51495), (645, 44629), (1677, 17165), (2795, 10299), (3433, 8385)]