123740865

素因数分解:

$3^4\times 5^1\times {\mathrm{305533}}^1$

素因数の和:305550

約数の個数: 20

約数和(自身を含む): 221817684

約数和(自身を除く): 98076819

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 305533, 916599, 1527665, 2749797, 4582995, 8249391, 13748985, 24748173, 41246955, 123740865]

約数ペア:

[(1, 123740865), (3, 41246955), (5, 24748173), (9, 13748985), (15, 8249391), (27, 4582995), (45, 2749797), (81, 1527665), (135, 916599), (405, 305533)]