80878395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1721}}^1$

素因数の和:1983

約数の個数: 32

約数和(自身を含む): 140019264

約数和(自身を除く): 59140869

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 241, 723, 1205, 1721, 3133, 3615, 5163, 8605, 9399, 15665, 22373, 25815, 46995, 67119, 111865, 335595, 414761, 1244283, 2073805, 5391893, 6221415, 16175679, 26959465, 80878395]

約数ペア:

[(1, 80878395), (3, 26959465), (5, 16175679), (13, 6221415), (15, 5391893), (39, 2073805), (65, 1244283), (195, 414761), (241, 335595), (723, 111865), (1205, 67119), (1721, 46995), (3133, 25815), (3615, 22373), (5163, 15665), (8605, 9399)]