15305121

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{509}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 23947560

約数和(自身を除く): 8642439

約数列:

[1, 3, 9, 13, 39, 117, 257, 509, 771, 1527, 2313, 3341, 4581, 6617, 10023, 19851, 30069, 59553, 130813, 392439, 1177317, 1700569, 5101707, 15305121]

約数ペア:

[(1, 15305121), (3, 5101707), (9, 1700569), (13, 1177317), (39, 392439), (117, 130813), (257, 59553), (509, 30069), (771, 19851), (1527, 10023), (2313, 6617), (3341, 4581)]