13265847

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 23250240

約数和(自身を除く): 9984393

約数列:

[1, 3, 7, 9, 21, 29, 53, 63, 87, 137, 159, 203, 261, 371, 411, 477, 609, 959, 1113, 1233, 1537, 1827, 2877, 3339, 3973, 4611, 7261, 8631, 10759, 11919, 13833, 21783, 27811, 32277, 35757, 50827, 65349, 83433, 96831, 152481, 210569, 250299, 457443, 631707, 1473983, 1895121, 4421949, 13265847]

約数ペア:

[(1, 13265847), (3, 4421949), (7, 1895121), (9, 1473983), (21, 631707), (29, 457443), (53, 250299), (63, 210569), (87, 152481), (137, 96831), (159, 83433), (203, 65349), (261, 50827), (371, 35757), (411, 32277), (477, 27811), (609, 21783), (959, 13833), (1113, 11919), (1233, 10759), (1537, 8631), (1827, 7261), (2877, 4611), (3339, 3973)]