28781439

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{1439}}^1$

素因数の和:1614

約数の個数: 16

約数和(自身を含む): 39398400

約数和(自身を除く): 10616961

約数列:

[1, 3, 59, 113, 177, 339, 1439, 4317, 6667, 20001, 84901, 162607, 254703, 487821, 9593813, 28781439]

約数ペア:

[(1, 28781439), (3, 9593813), (59, 487821), (113, 254703), (177, 162607), (339, 84901), (1439, 20001), (4317, 6667)]