2019751785

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{31991}}^1$

素因数の和:32086

約数の個数: 48

約数和(自身を含む): 3713119488

約数和(自身を除く): 1693367703

約数列:

[1, 3, 5, 9, 15, 23, 45, 61, 69, 115, 183, 207, 305, 345, 549, 915, 1035, 1403, 2745, 4209, 7015, 12627, 21045, 31991, 63135, 95973, 159955, 287919, 479865, 735793, 1439595, 1951451, 2207379, 3678965, 5854353, 6622137, 9757255, 11036895, 17563059, 29271765, 33110685, 44883373, 87815295, 134650119, 224416865, 403950357, 673250595, 2019751785]

約数ペア:

[(1, 2019751785), (3, 673250595), (5, 403950357), (9, 224416865), (15, 134650119), (23, 87815295), (45, 44883373), (61, 33110685), (69, 29271765), (115, 17563059), (183, 11036895), (207, 9757255), (305, 6622137), (345, 5854353), (549, 3678965), (915, 2207379), (1035, 1951451), (1403, 1439595), (2745, 735793), (4209, 479865), (7015, 287919), (12627, 159955), (21045, 95973), (31991, 63135)]