28306443

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 14594037

約数列:

[1, 3, 11, 33, 37, 97, 111, 239, 291, 407, 717, 1067, 1221, 2629, 3201, 3589, 7887, 8843, 10767, 23183, 26529, 39479, 69549, 97273, 118437, 255013, 291819, 765039, 857771, 2573313, 9435481, 28306443]

約数ペア:

[(1, 28306443), (3, 9435481), (11, 2573313), (33, 857771), (37, 765039), (97, 291819), (111, 255013), (239, 118437), (291, 97273), (407, 69549), (717, 39479), (1067, 26529), (1221, 23183), (2629, 10767), (3201, 8843), (3589, 7887)]