51281181

素因数分解:

$3^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{607}}^1$

素因数の和:775

約数の個数: 40

約数和(自身を含む): 88281600

約数和(自身を除く): 37000419

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 149, 189, 447, 567, 607, 1043, 1341, 1821, 3129, 4023, 4249, 5463, 9387, 12069, 12747, 16389, 28161, 38241, 49167, 84483, 90443, 114723, 271329, 344169, 633101, 813987, 1899303, 2441961, 5697909, 7325883, 17093727, 51281181]

約数ペア:

[(1, 51281181), (3, 17093727), (7, 7325883), (9, 5697909), (21, 2441961), (27, 1899303), (63, 813987), (81, 633101), (149, 344169), (189, 271329), (447, 114723), (567, 90443), (607, 84483), (1043, 49167), (1341, 38241), (1821, 28161), (3129, 16389), (4023, 12747), (4249, 12069), (5463, 9387)]