31679211

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 47278080

約数和(自身を除く): 15598869

約数列:

[1, 3, 17, 23, 51, 69, 113, 239, 339, 391, 717, 1173, 1921, 2599, 4063, 5497, 5763, 7797, 12189, 16491, 27007, 44183, 81021, 93449, 132549, 280347, 459119, 621161, 1377357, 1863483, 10559737, 31679211]

約数ペア:

[(1, 31679211), (3, 10559737), (17, 1863483), (23, 1377357), (51, 621161), (69, 459119), (113, 280347), (239, 132549), (339, 93449), (391, 81021), (717, 44183), (1173, 27007), (1921, 16491), (2599, 12189), (4063, 7797), (5497, 5763)]