71889927

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{971}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 106375680

約数和(自身を除く): 34485753

約数列:

[1, 3, 23, 29, 37, 69, 87, 111, 667, 851, 971, 1073, 2001, 2553, 2913, 3219, 22333, 24679, 28159, 35927, 66999, 74037, 84477, 107781, 647657, 826321, 1041883, 1942971, 2478963, 3125649, 23963309, 71889927]

約数ペア:

[(1, 71889927), (3, 23963309), (23, 3125649), (29, 2478963), (37, 1942971), (69, 1041883), (87, 826321), (111, 647657), (667, 107781), (851, 84477), (971, 74037), (1073, 66999), (2001, 35927), (2553, 28159), (2913, 24679), (3219, 22333)]