191471391

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2657}}^1$

素因数の和:2840

約数の個数: 32

約数和(自身を含む): 302374080

約数和(自身を除く): 110902689

約数列:

[1, 3, 9, 17, 27, 51, 153, 157, 459, 471, 1413, 2657, 2669, 4239, 7971, 8007, 23913, 24021, 45169, 71739, 72063, 135507, 406521, 417149, 1219563, 1251447, 3754341, 7091533, 11263023, 21274599, 63823797, 191471391]

約数ペア:

[(1, 191471391), (3, 63823797), (9, 21274599), (17, 11263023), (27, 7091533), (51, 3754341), (153, 1251447), (157, 1219563), (459, 417149), (471, 406521), (1413, 135507), (2657, 72063), (2669, 71739), (4239, 45169), (7971, 24021), (8007, 23913)]