81028761

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{769}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 123002880

約数和(自身を除く): 41974119

約数列:

[1, 3, 11, 31, 33, 93, 103, 309, 341, 769, 1023, 1133, 2307, 3193, 3399, 8459, 9579, 23839, 25377, 35123, 71517, 79207, 105369, 237621, 262229, 786687, 871277, 2455417, 2613831, 7366251, 27009587, 81028761]

約数ペア:

[(1, 81028761), (3, 27009587), (11, 7366251), (31, 2613831), (33, 2455417), (93, 871277), (103, 786687), (309, 262229), (341, 237621), (769, 105369), (1023, 79207), (1133, 71517), (2307, 35123), (3193, 25377), (3399, 23839), (8459, 9579)]