1279725909

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{13159}}^1$

素因数の和:13601

約数の個数: 32

約数和(自身を含む): 2132551680

約数和(自身を除く): 852825771

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 421, 1263, 2947, 4631, 8841, 13159, 13893, 32417, 39477, 92113, 97251, 144749, 276339, 434247, 1013243, 3039729, 5539939, 16619817, 38779573, 60939329, 116338719, 182817987, 426575303, 1279725909]

約数ペア:

[(1, 1279725909), (3, 426575303), (7, 182817987), (11, 116338719), (21, 60939329), (33, 38779573), (77, 16619817), (231, 5539939), (421, 3039729), (1263, 1013243), (2947, 434247), (4631, 276339), (8841, 144749), (13159, 97251), (13893, 92113), (32417, 39477)]