207315

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 381888

約数和(自身を除く): 174573

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 271, 765, 813, 1355, 2439, 4065, 4607, 12195, 13821, 23035, 41463, 69105, 207315]

約数ペア:

[(1, 207315), (3, 69105), (5, 41463), (9, 23035), (15, 13821), (17, 12195), (45, 4607), (51, 4065), (85, 2439), (153, 1355), (255, 813), (271, 765)]