3921729

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 6178752

約数和(自身を除く): 2257023

約数列:

[1, 3, 7, 21, 43, 101, 129, 301, 303, 707, 903, 1849, 2121, 4343, 5547, 12943, 13029, 30401, 38829, 91203, 186749, 560247, 1307243, 3921729]

約数ペア:

[(1, 3921729), (3, 1307243), (7, 560247), (21, 186749), (43, 91203), (101, 38829), (129, 30401), (301, 13029), (303, 12943), (707, 5547), (903, 4343), (1849, 2121)]