72107679

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1423}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 116654080

約数和(自身を除く): 44546401

約数列:

[1, 3, 7, 19, 21, 57, 127, 133, 381, 399, 889, 1423, 2413, 2667, 4269, 7239, 9961, 16891, 27037, 29883, 50673, 81111, 180721, 189259, 542163, 567777, 1265047, 3433699, 3795141, 10301097, 24035893, 72107679]

約数ペア:

[(1, 72107679), (3, 24035893), (7, 10301097), (19, 3795141), (21, 3433699), (57, 1265047), (127, 567777), (133, 542163), (381, 189259), (399, 180721), (889, 81111), (1423, 50673), (2413, 29883), (2667, 27037), (4269, 16891), (7239, 9961)]