1638990999

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{347}}^1\times {\mathrm{18097}}^1$

素因数の和:18479

約数の個数: 24

約数和(自身を含む): 2456260560

約数和(自身を除く): 817269561

約数列:

[1, 3, 9, 29, 87, 261, 347, 1041, 3123, 10063, 18097, 30189, 54291, 90567, 162873, 524813, 1574439, 4723317, 6279659, 18838977, 56516931, 182110111, 546330333, 1638990999]

約数ペア:

[(1, 1638990999), (3, 546330333), (9, 182110111), (29, 56516931), (87, 18838977), (261, 6279659), (347, 4723317), (1041, 1574439), (3123, 524813), (10063, 162873), (18097, 90567), (30189, 54291)]