220680723

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1439}}^1$

素因数の和:1587

約数の個数: 32

約数和(自身を含む): 325140480

約数和(自身を除く): 104459757

約数列:

[1, 3, 17, 31, 51, 93, 97, 291, 527, 1439, 1581, 1649, 3007, 4317, 4947, 9021, 24463, 44609, 51119, 73389, 133827, 139583, 153357, 418749, 758353, 2275059, 2372911, 4327073, 7118733, 12981219, 73560241, 220680723]

約数ペア:

[(1, 220680723), (3, 73560241), (17, 12981219), (31, 7118733), (51, 4327073), (93, 2372911), (97, 2275059), (291, 758353), (527, 418749), (1439, 153357), (1581, 139583), (1649, 133827), (3007, 73389), (4317, 51119), (4947, 44609), (9021, 24463)]