247095

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:64

約数の個数: 36

約数和(自身を含む): 478920

約数和(自身を除く): 231825

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 289, 323, 765, 855, 867, 969, 1445, 1615, 2601, 2907, 4335, 4845, 5491, 13005, 14535, 16473, 27455, 49419, 82365, 247095]

約数ペア:

[(1, 247095), (3, 82365), (5, 49419), (9, 27455), (15, 16473), (17, 14535), (19, 13005), (45, 5491), (51, 4845), (57, 4335), (85, 2907), (95, 2601), (153, 1615), (171, 1445), (255, 969), (285, 867), (289, 855), (323, 765)]