72021555

素因数分解:

$3^6\times 5^1\times {\mathrm{19759}}^1$

素因数の和:19782

約数の個数: 28

約数和(自身を含む): 129586080

約数和(自身を除く): 57564525

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 19759, 59277, 98795, 177831, 296385, 533493, 889155, 1600479, 2667465, 4801437, 8002395, 14404311, 24007185, 72021555]

約数ペア:

[(1, 72021555), (3, 24007185), (5, 14404311), (9, 8002395), (15, 4801437), (27, 2667465), (45, 1600479), (81, 889155), (135, 533493), (243, 296385), (405, 177831), (729, 98795), (1215, 59277), (3645, 19759)]