28299747

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{4663}}^1$

素因数の和:4707

約数の個数: 24

約数和(自身を含む): 45819136

約数和(自身を除く): 17519389

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 867, 2023, 4663, 6069, 13989, 32641, 79271, 97923, 237813, 554897, 1347607, 1664691, 4042821, 9433249, 28299747]

約数ペア:

[(1, 28299747), (3, 9433249), (7, 4042821), (17, 1664691), (21, 1347607), (51, 554897), (119, 237813), (289, 97923), (357, 79271), (867, 32641), (2023, 13989), (4663, 6069)]