28207803

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 41997312

約数和(自身を除く): 13789509

約数列:

[1, 3, 13, 39, 61, 71, 167, 183, 213, 501, 793, 923, 2171, 2379, 2769, 4331, 6513, 10187, 11857, 12993, 30561, 35571, 56303, 132431, 154141, 168909, 397293, 462423, 723277, 2169831, 9402601, 28207803]

約数ペア:

[(1, 28207803), (3, 9402601), (13, 2169831), (39, 723277), (61, 462423), (71, 397293), (167, 168909), (183, 154141), (213, 132431), (501, 56303), (793, 35571), (923, 30561), (2171, 12993), (2379, 11857), (2769, 10187), (4331, 6513)]