15820407315

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20680271}}^1$

素因数の和:20680299

約数の個数: 24

約数和(自身を含む): 29035101888

約数和(自身を除く): 13214694573

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 20680271, 62040813, 103401355, 186122439, 310204065, 351564607, 930612195, 1054693821, 1757823035, 3164081463, 5273469105, 15820407315]

約数ペア:

[(1, 15820407315), (3, 5273469105), (5, 3164081463), (9, 1757823035), (15, 1054693821), (17, 930612195), (45, 351564607), (51, 310204065), (85, 186122439), (153, 103401355), (255, 62040813), (765, 20680271)]