28945161

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5281}}^1$

素因数の和:5326

約数の個数: 32

約数和(自身を含む): 50707200

約数和(自身を除く): 21762039

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5281, 5481, 15843, 36967, 47529, 110901, 142587, 153149, 332703, 459447, 998109, 1072043, 1378341, 3216129, 4135023, 9648387, 28945161]

約数ペア:

[(1, 28945161), (3, 9648387), (7, 4135023), (9, 3216129), (21, 1378341), (27, 1072043), (29, 998109), (63, 459447), (87, 332703), (189, 153149), (203, 142587), (261, 110901), (609, 47529), (783, 36967), (1827, 15843), (5281, 5481)]