28259205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{463}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 48953856

約数和(自身を除く): 20694651

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 313, 463, 939, 1389, 1565, 2315, 4069, 4695, 6019, 6945, 12207, 18057, 20345, 30095, 61035, 90285, 144919, 434757, 724595, 1883947, 2173785, 5651841, 9419735, 28259205]

約数ペア:

[(1, 28259205), (3, 9419735), (5, 5651841), (13, 2173785), (15, 1883947), (39, 724595), (65, 434757), (195, 144919), (313, 90285), (463, 61035), (939, 30095), (1389, 20345), (1565, 18057), (2315, 12207), (4069, 6945), (4695, 6019)]