28958679

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 47424000

約数和(自身を除く): 18465321

約数列:

[1, 3, 9, 19, 23, 37, 57, 69, 111, 171, 199, 207, 333, 437, 597, 703, 851, 1311, 1791, 2109, 2553, 3781, 3933, 4577, 6327, 7363, 7659, 11343, 13731, 16169, 22089, 34029, 41193, 48507, 66267, 86963, 139897, 145521, 169349, 260889, 419691, 508047, 782667, 1259073, 1524141, 3217631, 9652893, 28958679]

約数ペア:

[(1, 28958679), (3, 9652893), (9, 3217631), (19, 1524141), (23, 1259073), (37, 782667), (57, 508047), (69, 419691), (111, 260889), (171, 169349), (199, 145521), (207, 139897), (333, 86963), (437, 66267), (597, 48507), (703, 41193), (851, 34029), (1311, 22089), (1791, 16169), (2109, 13731), (2553, 11343), (3781, 7659), (3933, 7363), (4577, 6327)]