1720210005

素因数分解:

$3^2\times 5^1\times {\mathrm{1327}}^1\times {\mathrm{28807}}^1$

素因数の和:30145

約数の個数: 24

約数和(自身を含む): 2984047872

約数和(自身を除く): 1263837867

約数列:

[1, 3, 5, 9, 15, 45, 1327, 3981, 6635, 11943, 19905, 28807, 59715, 86421, 144035, 259263, 432105, 1296315, 38226889, 114680667, 191134445, 344042001, 573403335, 1720210005]

約数ペア:

[(1, 1720210005), (3, 573403335), (5, 344042001), (9, 191134445), (15, 114680667), (45, 38226889), (1327, 1296315), (3981, 432105), (6635, 259263), (11943, 144035), (19905, 86421), (28807, 59715)]