31264821

素因数分解:

$3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1931}}^1$

素因数の和:2201

約数の個数: 24

約数和(自身を含む): 51839424

約数和(自身を除く): 20574603

約数列:

[1, 3, 7, 9, 21, 63, 257, 771, 1799, 1931, 2313, 5397, 5793, 13517, 16191, 17379, 40551, 121653, 496267, 1488801, 3473869, 4466403, 10421607, 31264821]

約数ペア:

[(1, 31264821), (3, 10421607), (7, 4466403), (9, 3473869), (21, 1488801), (63, 496267), (257, 121653), (771, 40551), (1799, 17379), (1931, 16191), (2313, 13517), (5397, 5793)]