28745757

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{457}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 43226040

約数和(自身を除く): 14480283

約数列:

[1, 3, 9, 29, 87, 241, 261, 457, 723, 1371, 2169, 4113, 6989, 13253, 20967, 39759, 62901, 110137, 119277, 330411, 991233, 3193973, 9581919, 28745757]

約数ペア:

[(1, 28745757), (3, 9581919), (9, 3193973), (29, 991233), (87, 330411), (241, 119277), (261, 110137), (457, 62901), (723, 39759), (1371, 20967), (2169, 13253), (4113, 6989)]