257103357987

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{532305089}}^1$

素因数の和:532305122

約数の個数: 16

約数和(自身を含む): 408810309120

約数和(自身を除く): 151706951133

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 532305089, 1596915267, 3726135623, 11178406869, 12243017047, 36729051141, 85701119329, 257103357987]

約数ペア:

[(1, 257103357987), (3, 85701119329), (7, 36729051141), (21, 12243017047), (23, 11178406869), (69, 3726135623), (161, 1596915267), (483, 532305089)]