2040373839

素因数分解:

$3^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{123457}}^1$

素因数の和:124254

約数の個数: 16

約数和(自身を含む): 3113116928

約数和(自身を除く): 1072743089

約数列:

[1, 3, 7, 21, 787, 2361, 5509, 16527, 123457, 370371, 864199, 2592597, 97160659, 291481977, 680124613, 2040373839]

約数ペア:

[(1, 2040373839), (3, 680124613), (7, 291481977), (21, 97160659), (787, 2592597), (2361, 864199), (5509, 370371), (16527, 123457)]