7871241

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 12607488

約数和(自身を除く): 4736247

約数列:

[1, 3, 7, 21, 31, 93, 107, 113, 217, 321, 339, 651, 749, 791, 2247, 2373, 3317, 3503, 9951, 10509, 12091, 23219, 24521, 36273, 69657, 73563, 84637, 253911, 374821, 1124463, 2623747, 7871241]

約数ペア:

[(1, 7871241), (3, 2623747), (7, 1124463), (21, 374821), (31, 253911), (93, 84637), (107, 73563), (113, 69657), (217, 36273), (321, 24521), (339, 23219), (651, 12091), (749, 10509), (791, 9951), (2247, 3503), (2373, 3317)]