219872019

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1347

約数の個数: 32

約数和(自身を含む): 318864384

約数和(自身を除く): 98992365

約数列:

[1, 3, 23, 37, 69, 71, 111, 213, 851, 1213, 1633, 2553, 2627, 3639, 4899, 7881, 27899, 44881, 60421, 83697, 86123, 134643, 181263, 258369, 1032263, 1980829, 3096789, 3186551, 5942487, 9559653, 73290673, 219872019]

約数ペア:

[(1, 219872019), (3, 73290673), (23, 9559653), (37, 5942487), (69, 3186551), (71, 3096789), (111, 1980829), (213, 1032263), (851, 258369), (1213, 181263), (1633, 134643), (2553, 86123), (2627, 83697), (3639, 60421), (4899, 44881), (7881, 27899)]