28749411

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{12239}}^1$

素因数の和:12280

約数の個数: 20

約数和(自身を含む): 44431200

約数和(自身を除く): 15681789

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 12239, 36717, 110151, 330453, 354931, 991359, 1064793, 3194379, 9583137, 28749411]

約数ペア:

[(1, 28749411), (3, 9583137), (9, 3194379), (27, 1064793), (29, 991359), (81, 354931), (87, 330453), (261, 110151), (783, 36717), (2349, 12239)]