28973109

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 44104320

約数和(自身を除く): 15131211

約数列:

[1, 3, 11, 33, 37, 61, 111, 183, 389, 407, 671, 1167, 1221, 2013, 2257, 4279, 6771, 12837, 14393, 23729, 24827, 43179, 71187, 74481, 158323, 261019, 474969, 783057, 877973, 2633919, 9657703, 28973109]

約数ペア:

[(1, 28973109), (3, 9657703), (11, 2633919), (33, 877973), (37, 783057), (61, 474969), (111, 261019), (183, 158323), (389, 74481), (407, 71187), (671, 43179), (1167, 24827), (1221, 23729), (2013, 14393), (2257, 12837), (4279, 6771)]