28817271

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15773}}^1$

素因数の和:15815

約数の個数: 24

約数和(自身を含む): 49214880

約数和(自身を除く): 20397609

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 15773, 47319, 110411, 141957, 331233, 457417, 993699, 1372251, 3201919, 4116753, 9605757, 28817271]

約数ペア:

[(1, 28817271), (3, 9605757), (7, 4116753), (9, 3201919), (21, 1372251), (29, 993699), (63, 457417), (87, 331233), (203, 141957), (261, 110411), (609, 47319), (1827, 15773)]