78320115

素因数分解:

$3^6\times 5^1\times {\mathrm{21487}}^1$

素因数の和:21510

約数の個数: 28

約数和(自身を含む): 140918304

約数和(自身を除く): 62598189

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 21487, 64461, 107435, 193383, 322305, 580149, 966915, 1740447, 2900745, 5221341, 8702235, 15664023, 26106705, 78320115]

約数ペア:

[(1, 78320115), (3, 26106705), (5, 15664023), (9, 8702235), (15, 5221341), (27, 2900745), (45, 1740447), (81, 966915), (135, 580149), (243, 322305), (405, 193383), (729, 107435), (1215, 64461), (3645, 21487)]