40481979

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{1409}}^1$

素因数の和:1630

約数の個数: 16

約数和(自身を含む): 55249440

約数和(自身を除く): 14767461

約数列:

[1, 3, 61, 157, 183, 471, 1409, 4227, 9577, 28731, 85949, 221213, 257847, 663639, 13493993, 40481979]

約数ペア:

[(1, 40481979), (3, 13493993), (61, 663639), (157, 257847), (183, 221213), (471, 85949), (1409, 28731), (4227, 9577)]