2021000247

素因数分解:

$3^3\times 7^3\times {\mathrm{218227}}^1$

素因数の和:218257

約数の個数: 32

約数和(自身を含む): 3491648000

約数和(自身を除く): 1470647753

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 3087, 9261, 218227, 654681, 1527589, 1964043, 4582767, 5892129, 10693123, 13748301, 32079369, 41244903, 74851861, 96238107, 224555583, 288714321, 673666749, 2021000247]

約数ペア:

[(1, 2021000247), (3, 673666749), (7, 288714321), (9, 224555583), (21, 96238107), (27, 74851861), (49, 41244903), (63, 32079369), (147, 13748301), (189, 10693123), (343, 5892129), (441, 4582767), (1029, 1964043), (1323, 1527589), (3087, 654681), (9261, 218227)]