28742229

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{28771}}^1$

素因数の和:28817

約数の個数: 16

約数和(自身を含む): 43733440

約数和(自身を除く): 14991211

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 28771, 86313, 258939, 776817, 1064527, 3193581, 9580743, 28742229]

約数ペア:

[(1, 28742229), (3, 9580743), (9, 3193581), (27, 1064527), (37, 776817), (111, 258939), (333, 86313), (999, 28771)]