31506219

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{827}}^1$

素因数の和:936

約数の個数: 32

約数和(自身を含む): 50077440

約数和(自身を除く): 18571221

約数列:

[1, 3, 9, 17, 27, 51, 83, 153, 249, 459, 747, 827, 1411, 2241, 2481, 4233, 7443, 12699, 14059, 22329, 38097, 42177, 68641, 126531, 205923, 379593, 617769, 1166897, 1853307, 3500691, 10502073, 31506219]

約数ペア:

[(1, 31506219), (3, 10502073), (9, 3500691), (17, 1853307), (27, 1166897), (51, 617769), (83, 379593), (153, 205923), (249, 126531), (459, 68641), (747, 42177), (827, 38097), (1411, 22329), (2241, 14059), (2481, 12699), (4233, 7443)]