31589181

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2477}}^1$

素因数の和:2605

約数の個数: 24

約数和(自身を含む): 49609560

約数和(自身を除く): 18020379

約数列:

[1, 3, 9, 13, 39, 109, 117, 327, 981, 1417, 2477, 4251, 7431, 12753, 22293, 32201, 96603, 269993, 289809, 809979, 2429937, 3509909, 10529727, 31589181]

約数ペア:

[(1, 31589181), (3, 10529727), (9, 3509909), (13, 2429937), (39, 809979), (109, 289809), (117, 269993), (327, 96603), (981, 32201), (1417, 22293), (2477, 12753), (4251, 7431)]