15380421

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{15583}}^1$

素因数の和:15640

約数の個数: 16

約数和(自身を含む): 23937024

約数和(自身を除く): 8556603

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 15583, 46749, 109081, 327243, 732401, 2197203, 5126807, 15380421]

約数ペア:

[(1, 15380421), (3, 5126807), (7, 2197203), (21, 732401), (47, 327243), (141, 109081), (329, 46749), (987, 15583)]