28882161

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 52835328

約数和(自身を除く): 23953167

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 71, 77, 99, 213, 231, 497, 587, 639, 693, 781, 1491, 1761, 2343, 4109, 4473, 5283, 5467, 6457, 7029, 12327, 16401, 19371, 36981, 41677, 45199, 49203, 58113, 125031, 135597, 291739, 375093, 406791, 458447, 875217, 1375341, 2625651, 3209129, 4126023, 9627387, 28882161]

約数ペア:

[(1, 28882161), (3, 9627387), (7, 4126023), (9, 3209129), (11, 2625651), (21, 1375341), (33, 875217), (63, 458447), (71, 406791), (77, 375093), (99, 291739), (213, 135597), (231, 125031), (497, 58113), (587, 49203), (639, 45199), (693, 41677), (781, 36981), (1491, 19371), (1761, 16401), (2343, 12327), (4109, 7029), (4473, 6457), (5283, 5467)]