199872315

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{261271}}^1$

素因数の和:261299

約数の個数: 24

約数和(自身を含む): 366825888

約数和(自身を除く): 166953573

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 261271, 783813, 1306355, 2351439, 3919065, 4441607, 11757195, 13324821, 22208035, 39974463, 66624105, 199872315]

約数ペア:

[(1, 199872315), (3, 66624105), (5, 39974463), (9, 22208035), (15, 13324821), (17, 11757195), (45, 4441607), (51, 3919065), (85, 2351439), (153, 1306355), (255, 783813), (765, 261271)]