16532271

素因数分解:

$3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{661}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 27401504

約数和(自身を除く): 10869233

約数列:

[1, 3, 7, 9, 21, 63, 397, 661, 1191, 1983, 2779, 3573, 4627, 5949, 8337, 13881, 25011, 41643, 262417, 787251, 1836919, 2361753, 5510757, 16532271]

約数ペア:

[(1, 16532271), (3, 5510757), (7, 2361753), (9, 1836919), (21, 787251), (63, 262417), (397, 41643), (661, 25011), (1191, 13881), (1983, 8337), (2779, 5949), (3573, 4627)]