1271907

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1553}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 2262624

約数和(自身を除く): 990717

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 1553, 4659, 10871, 13977, 20189, 32613, 60567, 97839, 141323, 181701, 423969, 1271907]

約数ペア:

[(1, 1271907), (3, 423969), (7, 181701), (9, 141323), (13, 97839), (21, 60567), (39, 32613), (63, 20189), (91, 13977), (117, 10871), (273, 4659), (819, 1553)]