17993961

素因数分解:

$3^3\times {\mathrm{421}}^1\times {\mathrm{1583}}^1$

素因数の和:2013

約数の個数: 16

約数和(自身を含む): 26737920

約数和(自身を除く): 8743959

約数列:

[1, 3, 9, 27, 421, 1263, 1583, 3789, 4749, 11367, 14247, 42741, 666443, 1999329, 5997987, 17993961]

約数ペア:

[(1, 17993961), (3, 5997987), (9, 1999329), (27, 666443), (421, 42741), (1263, 14247), (1583, 11367), (3789, 4749)]