171520905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{2791}}^1$

素因数の和:3057

約数の個数: 32

約数和(自身を含む): 291886848

約数和(自身を除く): 120365943

約数列:

[1, 3, 5, 15, 17, 51, 85, 241, 255, 723, 1205, 2791, 3615, 4097, 8373, 12291, 13955, 20485, 41865, 47447, 61455, 142341, 237235, 672631, 711705, 2017893, 3363155, 10089465, 11434727, 34304181, 57173635, 171520905]

約数ペア:

[(1, 171520905), (3, 57173635), (5, 34304181), (15, 11434727), (17, 10089465), (51, 3363155), (85, 2017893), (241, 711705), (255, 672631), (723, 237235), (1205, 142341), (2791, 61455), (3615, 47447), (4097, 41865), (8373, 20485), (12291, 13955)]