211157051

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1531}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 273553920

約数和(自身を除く): 62396869

約数列:

[1, 7, 17, 19, 61, 119, 133, 323, 427, 1037, 1159, 1531, 2261, 7259, 8113, 10717, 19703, 26027, 29089, 93391, 137921, 182189, 203623, 494513, 653737, 1587647, 1774429, 3461591, 11113529, 12421003, 30165293, 211157051]

約数ペア:

[(1, 211157051), (7, 30165293), (17, 12421003), (19, 11113529), (61, 3461591), (119, 1774429), (133, 1587647), (323, 653737), (427, 494513), (1037, 203623), (1159, 182189), (1531, 137921), (2261, 93391), (7259, 29089), (8113, 26027), (10717, 19703)]