40385985

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 66147840

約数和(自身を除く): 25761855

約数列:

[1, 3, 5, 15, 79, 173, 197, 237, 395, 519, 591, 865, 985, 1185, 2595, 2955, 13667, 15563, 34081, 41001, 46689, 68335, 77815, 102243, 170405, 205005, 233445, 511215, 2692399, 8077197, 13461995, 40385985]

約数ペア:

[(1, 40385985), (3, 13461995), (5, 8077197), (15, 2692399), (79, 511215), (173, 233445), (197, 205005), (237, 170405), (395, 102243), (519, 77815), (591, 68335), (865, 46689), (985, 41001), (1185, 34081), (2595, 15563), (2955, 13667)]