27991677

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{4027}}^1$

素因数の和:4368

約数の個数: 16

約数和(自身を含む): 42793472

約数和(自身を除く): 14801795

約数列:

[1, 3, 7, 21, 331, 993, 2317, 4027, 6951, 12081, 28189, 84567, 1332937, 3998811, 9330559, 27991677]

約数ペア:

[(1, 27991677), (3, 9330559), (7, 3998811), (21, 1332937), (331, 84567), (993, 28189), (2317, 12081), (4027, 6951)]