28908873

素因数分解:

$3^3\times 7^2\times {\mathrm{21851}}^1$

素因数の和:21874

約数の個数: 24

約数和(自身を含む): 49822560

約数和(自身を除く): 20913687

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21851, 65553, 152957, 196659, 458871, 589977, 1070699, 1376613, 3212097, 4129839, 9636291, 28908873]

約数ペア:

[(1, 28908873), (3, 9636291), (7, 4129839), (9, 3212097), (21, 1376613), (27, 1070699), (49, 589977), (63, 458871), (147, 196659), (189, 152957), (441, 65553), (1323, 21851)]