16319961

素因数分解:

$3^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 28226880

約数和(自身を除く): 11906919

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 107, 189, 269, 321, 567, 749, 807, 963, 1883, 2247, 2421, 2889, 5649, 6741, 7263, 8667, 16947, 20223, 21789, 28783, 50841, 60669, 86349, 152523, 201481, 259047, 604443, 777141, 1813329, 2331423, 5439987, 16319961]

約数ペア:

[(1, 16319961), (3, 5439987), (7, 2331423), (9, 1813329), (21, 777141), (27, 604443), (63, 259047), (81, 201481), (107, 152523), (189, 86349), (269, 60669), (321, 50841), (567, 28783), (749, 21789), (807, 20223), (963, 16947), (1883, 8667), (2247, 7263), (2421, 6741), (2889, 5649)]