13115871

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 21036800

約数和(自身を除く): 7920929

約数列:

[1, 3, 9, 19, 27, 37, 57, 111, 171, 333, 513, 691, 703, 999, 2073, 2109, 6219, 6327, 13129, 18657, 18981, 25567, 39387, 76701, 118161, 230103, 354483, 485773, 690309, 1457319, 4371957, 13115871]

約数ペア:

[(1, 13115871), (3, 4371957), (9, 1457319), (19, 690309), (27, 485773), (37, 354483), (57, 230103), (111, 118161), (171, 76701), (333, 39387), (513, 25567), (691, 18981), (703, 18657), (999, 13129), (2073, 6327), (2109, 6219)]