490097979

素因数分解:

$3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{13163}}^1$

素因数の和:13376

約数の個数: 32

約数和(自身を含む): 834071040

約数和(自身を除く): 343973061

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 197, 591, 1379, 1773, 4137, 5319, 12411, 13163, 37233, 39489, 92141, 118467, 276423, 355401, 829269, 2487807, 2593111, 7779333, 18151777, 23337999, 54455331, 70013997, 163365993, 490097979]

約数ペア:

[(1, 490097979), (3, 163365993), (7, 70013997), (9, 54455331), (21, 23337999), (27, 18151777), (63, 7779333), (189, 2593111), (197, 2487807), (591, 829269), (1379, 355401), (1773, 276423), (4137, 118467), (5319, 92141), (12411, 39489), (13163, 37233)]