257223603

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{12907}}^1$

素因数の和:13003

約数の個数: 32

約数和(自身を含む): 427926016

約数和(自身を除く): 170702413

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 511, 949, 1533, 2847, 6643, 12907, 19929, 38721, 90349, 167791, 271047, 503373, 942211, 1174537, 2826633, 3523611, 6595477, 12248743, 19786431, 36746229, 85741201, 257223603]

約数ペア:

[(1, 257223603), (3, 85741201), (7, 36746229), (13, 19786431), (21, 12248743), (39, 6595477), (73, 3523611), (91, 2826633), (219, 1174537), (273, 942211), (511, 503373), (949, 271047), (1533, 167791), (2847, 90349), (6643, 38721), (12907, 19929)]