16780521

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{601}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 23059008

約数和(自身を除く): 6278487

約数列:

[1, 3, 41, 123, 227, 601, 681, 1803, 9307, 24641, 27921, 73923, 136427, 409281, 5593507, 16780521]

約数ペア:

[(1, 16780521), (3, 5593507), (41, 409281), (123, 136427), (227, 73923), (601, 27921), (681, 24641), (1803, 9307)]