216495

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 398736

約数和(自身を除く): 182241

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 283, 765, 849, 1415, 2547, 4245, 4811, 12735, 14433, 24055, 43299, 72165, 216495]

約数ペア:

[(1, 216495), (3, 72165), (5, 43299), (9, 24055), (15, 14433), (17, 12735), (45, 4811), (51, 4245), (85, 2547), (153, 1415), (255, 849), (283, 765)]