72880815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1283}}^1$

素因数の和:1839

約数の個数: 32

約数和(自身を含む): 133618176

約数和(自身を除く): 60737361

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 541, 1283, 1623, 2705, 3787, 3849, 6415, 8115, 8981, 11361, 18935, 19245, 26943, 44905, 56805, 134715, 694103, 2082309, 3470515, 4858721, 10411545, 14576163, 24293605, 72880815]

約数ペア:

[(1, 72880815), (3, 24293605), (5, 14576163), (7, 10411545), (15, 4858721), (21, 3470515), (35, 2082309), (105, 694103), (541, 134715), (1283, 56805), (1623, 44905), (2705, 26943), (3787, 19245), (3849, 18935), (6415, 11361), (8115, 8981)]