81672369

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 119387520

約数和(自身を除く): 37715151

約数列:

[1, 3, 17, 41, 51, 123, 139, 281, 417, 697, 843, 2091, 2363, 4777, 5699, 7089, 11521, 14331, 17097, 34563, 39059, 96883, 117177, 195857, 290649, 587571, 664003, 1601419, 1992009, 4804257, 27224123, 81672369]

約数ペア:

[(1, 81672369), (3, 27224123), (17, 4804257), (41, 1992009), (51, 1601419), (123, 664003), (139, 587571), (281, 290649), (417, 195857), (697, 117177), (843, 96883), (2091, 39059), (2363, 34563), (4777, 17097), (5699, 14331), (7089, 11521)]