28370853

素因数分解:

$3^2\times 7^2\times {\mathrm{64333}}^1$

素因数の和:64353

約数の個数: 18

約数和(自身を含む): 47671494

約数和(自身を除く): 19300641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 64333, 192999, 450331, 578997, 1350993, 3152317, 4052979, 9456951, 28370853]

約数ペア:

[(1, 28370853), (3, 9456951), (7, 4052979), (9, 3152317), (21, 1350993), (49, 578997), (63, 450331), (147, 192999), (441, 64333)]