16980273

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{5113}}^1$

素因数の和:5166

約数の個数: 20

約数和(自身を含む): 25989348

約数和(自身を除く): 9009075

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 5113, 15339, 46017, 138051, 209633, 414153, 628899, 1886697, 5660091, 16980273]

約数ペア:

[(1, 16980273), (3, 5660091), (9, 1886697), (27, 628899), (41, 414153), (81, 209633), (123, 138051), (369, 46017), (1107, 15339), (3321, 5113)]