28939491

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9007}}^1$

素因数の和:9040

約数の個数: 32

約数和(自身を含む): 51886080

約数和(自身を除く): 22946589

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 9007, 27021, 63049, 81063, 153119, 189147, 243189, 459357, 567441, 1071833, 1378071, 1702323, 3215499, 4134213, 9646497, 28939491]

約数ペア:

[(1, 28939491), (3, 9646497), (7, 4134213), (9, 3215499), (17, 1702323), (21, 1378071), (27, 1071833), (51, 567441), (63, 459357), (119, 243189), (153, 189147), (189, 153119), (357, 81063), (459, 63049), (1071, 27021), (3213, 9007)]