239445

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 440856

約数和(自身を除く): 201411

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 313, 765, 939, 1565, 2817, 4695, 5321, 14085, 15963, 26605, 47889, 79815, 239445]

約数ペア:

[(1, 239445), (3, 79815), (5, 47889), (9, 26605), (15, 15963), (17, 14085), (45, 5321), (51, 4695), (85, 2817), (153, 1565), (255, 939), (313, 765)]