81243219

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{2791}}^1$

素因数の和:3138

約数の個数: 16

約数和(自身を含む): 112216064

約数和(自身を除く): 30972845

約数列:

[1, 3, 31, 93, 313, 939, 2791, 8373, 9703, 29109, 86521, 259563, 873583, 2620749, 27081073, 81243219]

約数ペア:

[(1, 81243219), (3, 27081073), (31, 2620749), (93, 873583), (313, 259563), (939, 86521), (2791, 29109), (8373, 9703)]