47072781

素因数分解:

$3^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{617}}^1$

素因数の和:810

約数の個数: 36

約数和(自身を含む): 79681212

約数和(自身を除く): 32608431

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 173, 441, 519, 617, 1211, 1557, 1851, 3633, 4319, 5553, 8477, 10899, 12957, 25431, 30233, 38871, 76293, 90699, 106741, 272097, 320223, 747187, 960669, 2241561, 5230309, 6724683, 15690927, 47072781]

約数ペア:

[(1, 47072781), (3, 15690927), (7, 6724683), (9, 5230309), (21, 2241561), (49, 960669), (63, 747187), (147, 320223), (173, 272097), (441, 106741), (519, 90699), (617, 76293), (1211, 38871), (1557, 30233), (1851, 25431), (3633, 12957), (4319, 10899), (5553, 8477)]