72905553

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^2\times {\mathrm{311}}^1$

素因数の和:446

約数の個数: 36

約数和(自身を含む): 122750784

約数和(自身を除く): 49845231

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 311, 427, 549, 933, 1281, 2177, 2799, 3721, 3843, 6531, 11163, 18971, 19593, 26047, 33489, 56913, 78141, 132797, 170739, 234423, 398391, 1157231, 1195173, 3471693, 8100617, 10415079, 24301851, 72905553]

約数ペア:

[(1, 72905553), (3, 24301851), (7, 10415079), (9, 8100617), (21, 3471693), (61, 1195173), (63, 1157231), (183, 398391), (311, 234423), (427, 170739), (549, 132797), (933, 78141), (1281, 56913), (2177, 33489), (2799, 26047), (3721, 19593), (3843, 18971), (6531, 11163)]