131136399

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1999}}^1$

素因数の和:2239

約数の個数: 24

約数和(自身を含む): 195624000

約数和(自身を除く): 64487601

約数列:

[1, 3, 9, 37, 111, 197, 333, 591, 1773, 1999, 5997, 7289, 17991, 21867, 65601, 73963, 221889, 393803, 665667, 1181409, 3544227, 14570711, 43712133, 131136399]

約数ペア:

[(1, 131136399), (3, 43712133), (9, 14570711), (37, 3544227), (111, 1181409), (197, 665667), (333, 393803), (591, 221889), (1773, 73963), (1999, 65601), (5997, 21867), (7289, 17991)]