16478985

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{863}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 11721975

約数列:

[1, 3, 5, 15, 19, 57, 67, 95, 201, 285, 335, 863, 1005, 1273, 2589, 3819, 4315, 6365, 12945, 16397, 19095, 49191, 57821, 81985, 173463, 245955, 289105, 867315, 1098599, 3295797, 5492995, 16478985]

約数ペア:

[(1, 16478985), (3, 5492995), (5, 3295797), (15, 1098599), (19, 867315), (57, 289105), (67, 245955), (95, 173463), (201, 81985), (285, 57821), (335, 49191), (863, 19095), (1005, 16397), (1273, 12945), (2589, 6365), (3819, 4315)]