1247981973

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1917023}}^1$

素因数の和:1917064

約数の個数: 16

約数和(自身を含む): 1963032576

約数和(自身を除く): 715050603

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 1917023, 5751069, 13419161, 40257483, 59427713, 178283139, 415993991, 1247981973]

約数ペア:

[(1, 1247981973), (3, 415993991), (7, 178283139), (21, 59427713), (31, 40257483), (93, 13419161), (217, 5751069), (651, 1917023)]