28332915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 52039680

約数和(自身を除く): 23706765

約数列:

[1, 3, 5, 13, 15, 31, 39, 43, 65, 93, 109, 129, 155, 195, 215, 327, 403, 465, 545, 559, 645, 1209, 1333, 1417, 1635, 1677, 2015, 2795, 3379, 3999, 4251, 4687, 6045, 6665, 7085, 8385, 10137, 14061, 16895, 17329, 19995, 21255, 23435, 43927, 50685, 51987, 60931, 70305, 86645, 131781, 145297, 182793, 219635, 259935, 304655, 435891, 658905, 726485, 913965, 1888861, 2179455, 5666583, 9444305, 28332915]

約数ペア:

[(1, 28332915), (3, 9444305), (5, 5666583), (13, 2179455), (15, 1888861), (31, 913965), (39, 726485), (43, 658905), (65, 435891), (93, 304655), (109, 259935), (129, 219635), (155, 182793), (195, 145297), (215, 131781), (327, 86645), (403, 70305), (465, 60931), (545, 51987), (559, 50685), (645, 43927), (1209, 23435), (1333, 21255), (1417, 19995), (1635, 17329), (1677, 16895), (2015, 14061), (2795, 10137), (3379, 8385), (3999, 7085), (4251, 6665), (4687, 6045)]