23720445

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{2789}}^1$

素因数の和:2816

約数の個数: 48

約数和(自身を含む): 48746880

約数和(自身を除く): 25026435

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2789, 2835, 8367, 8505, 13945, 19523, 25101, 41835, 58569, 75303, 97615, 125505, 175707, 225909, 292845, 376515, 527121, 677727, 878535, 1129545, 1581363, 2635605, 3388635, 4744089, 7906815, 23720445]

約数ペア:

[(1, 23720445), (3, 7906815), (5, 4744089), (7, 3388635), (9, 2635605), (15, 1581363), (21, 1129545), (27, 878535), (35, 677727), (45, 527121), (63, 376515), (81, 292845), (105, 225909), (135, 175707), (189, 125505), (243, 97615), (315, 75303), (405, 58569), (567, 41835), (945, 25101), (1215, 19523), (1701, 13945), (2789, 8505), (2835, 8367)]