138621

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:81

約数の個数: 24

約数和(自身を含む): 229824

約数和(自身を除く): 91203

約数列:

[1, 3, 7, 21, 23, 41, 49, 69, 123, 147, 161, 287, 483, 861, 943, 1127, 2009, 2829, 3381, 6027, 6601, 19803, 46207, 138621]

約数ペア:

[(1, 138621), (3, 46207), (7, 19803), (21, 6601), (23, 6027), (41, 3381), (49, 2829), (69, 2009), (123, 1127), (147, 943), (161, 861), (287, 483)]