13257027

素因数分解:

$3^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 22953216

約数和(自身を除く): 9696189

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 103, 189, 227, 309, 567, 681, 721, 927, 1589, 2043, 2163, 2781, 4767, 6129, 6489, 8343, 14301, 18387, 19467, 23381, 42903, 58401, 70143, 128709, 163667, 210429, 491001, 631287, 1473003, 1893861, 4419009, 13257027]

約数ペア:

[(1, 13257027), (3, 4419009), (7, 1893861), (9, 1473003), (21, 631287), (27, 491001), (63, 210429), (81, 163667), (103, 128709), (189, 70143), (227, 58401), (309, 42903), (567, 23381), (681, 19467), (721, 18387), (927, 14301), (1589, 8343), (2043, 6489), (2163, 6129), (2781, 4767)]