13078815

素因数分解:

$3^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{983}}^1$

素因数の和:1878

約数の個数: 16

約数和(自身を含む): 20971008

約数和(自身を除く): 7892193

約数列:

[1, 3, 5, 15, 887, 983, 2661, 2949, 4435, 4915, 13305, 14745, 871921, 2615763, 4359605, 13078815]

約数ペア:

[(1, 13078815), (3, 4359605), (5, 2615763), (15, 871921), (887, 14745), (983, 13305), (2661, 4915), (2949, 4435)]