28407159

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{947}}^1$

素因数の和:1068

約数の個数: 32

約数和(自身を含む): 46414080

約数和(自身を除く): 18006921

約数列:

[1, 3, 9, 11, 27, 33, 99, 101, 297, 303, 909, 947, 1111, 2727, 2841, 3333, 8523, 9999, 10417, 25569, 29997, 31251, 93753, 95647, 281259, 286941, 860823, 1052117, 2582469, 3156351, 9469053, 28407159]

約数ペア:

[(1, 28407159), (3, 9469053), (9, 3156351), (11, 2582469), (27, 1052117), (33, 860823), (99, 286941), (101, 281259), (297, 95647), (303, 93753), (909, 31251), (947, 29997), (1111, 25569), (2727, 10417), (2841, 9999), (3333, 8523)]