141561

素因数分解:

$3^3\times 7^2\times {\mathrm{107}}^1$

素因数の和:130

約数の個数: 24

約数和(自身を含む): 246240

約数和(自身を除く): 104679

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 107, 147, 189, 321, 441, 749, 963, 1323, 2247, 2889, 5243, 6741, 15729, 20223, 47187, 141561]

約数ペア:

[(1, 141561), (3, 47187), (7, 20223), (9, 15729), (21, 6741), (27, 5243), (49, 2889), (63, 2247), (107, 1323), (147, 963), (189, 749), (321, 441)]