15408639

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{359}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 23587200

約数和(自身を除く): 8178561

約数列:

[1, 3, 9, 19, 57, 171, 251, 359, 753, 1077, 2259, 3231, 4769, 6821, 14307, 20463, 42921, 61389, 90109, 270327, 810981, 1712071, 5136213, 15408639]

約数ペア:

[(1, 15408639), (3, 5136213), (9, 1712071), (19, 810981), (57, 270327), (171, 90109), (251, 61389), (359, 42921), (753, 20463), (1077, 14307), (2259, 6821), (3231, 4769)]