28204533

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{8447}}^1$

素因数の和:8513

約数の個数: 24

約数和(自身を含む): 47443968

約数和(自身を除く): 19239435

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 8447, 25341, 59129, 76023, 177387, 447691, 532161, 1343073, 3133837, 4029219, 9401511, 28204533]

約数ペア:

[(1, 28204533), (3, 9401511), (7, 4029219), (9, 3133837), (21, 1343073), (53, 532161), (63, 447691), (159, 177387), (371, 76023), (477, 59129), (1113, 25341), (3339, 8447)]