78161889

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1103}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 118702080

約数和(自身を除く): 40540191

約数列:

[1, 3, 13, 23, 39, 69, 79, 237, 299, 897, 1027, 1103, 1817, 3081, 3309, 5451, 14339, 23621, 25369, 43017, 70863, 76107, 87137, 261411, 329797, 989391, 1132781, 2004151, 3398343, 6012453, 26053963, 78161889]

約数ペア:

[(1, 78161889), (3, 26053963), (13, 6012453), (23, 3398343), (39, 2004151), (69, 1132781), (79, 989391), (237, 329797), (299, 261411), (897, 87137), (1027, 76107), (1103, 70863), (1817, 43017), (3081, 25369), (3309, 23621), (5451, 14339)]