28217871

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4831}}^1$

素因数の和:4907

約数の個数: 24

約数和(自身を含む): 45227520

約数和(自身を除く): 17009649

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 4831, 5841, 14493, 43479, 53141, 159423, 285029, 478269, 855087, 2565261, 3135319, 9405957, 28217871]

約数ペア:

[(1, 28217871), (3, 9405957), (9, 3135319), (11, 2565261), (33, 855087), (59, 478269), (99, 285029), (177, 159423), (531, 53141), (649, 43479), (1947, 14493), (4831, 5841)]