28988847

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{5867}}^1$

素因数の和:5940

約数の個数: 20

約数和(自身を含む): 44021736

約数和(自身を除く): 15032889

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 5867, 17601, 52803, 158409, 357887, 475227, 1073661, 3220983, 9662949, 28988847]

約数ペア:

[(1, 28988847), (3, 9662949), (9, 3220983), (27, 1073661), (61, 475227), (81, 357887), (183, 158409), (549, 52803), (1647, 17601), (4941, 5867)]