81315417

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{1789}}^1$

素因数の和:2040

約数の個数: 16

約数和(自身を含む): 110264000

約数和(自身を除く): 28948583

約数列:

[1, 3, 109, 139, 327, 417, 1789, 5367, 15151, 45453, 195001, 248671, 585003, 746013, 27105139, 81315417]

約数ペア:

[(1, 81315417), (3, 27105139), (109, 746013), (139, 585003), (327, 248671), (417, 195001), (1789, 45453), (5367, 15151)]