16639605

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1877}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 29003832

約数和(自身を除く): 12364227

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 1877, 2955, 5631, 8865, 9385, 16893, 28155, 84465, 369769, 1109307, 1848845, 3327921, 5546535, 16639605]

約数ペア:

[(1, 16639605), (3, 5546535), (5, 3327921), (9, 1848845), (15, 1109307), (45, 369769), (197, 84465), (591, 28155), (985, 16893), (1773, 9385), (1877, 8865), (2955, 5631)]