28031139

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{509}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 42166800

約数和(自身を除く): 14135661

約数列:

[1, 3, 9, 29, 87, 211, 261, 509, 633, 1527, 1899, 4581, 6119, 14761, 18357, 44283, 55071, 107399, 132849, 322197, 966591, 3114571, 9343713, 28031139]

約数ペア:

[(1, 28031139), (3, 9343713), (9, 3114571), (29, 966591), (87, 322197), (211, 132849), (261, 107399), (509, 55071), (633, 44283), (1527, 18357), (1899, 14761), (4581, 6119)]