81631611

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 124185600

約数和(自身を除く): 42553989

約数列:

[1, 3, 9, 27, 71, 97, 213, 291, 439, 639, 873, 1317, 1917, 2619, 3951, 6887, 11853, 20661, 31169, 42583, 61983, 93507, 127749, 185949, 280521, 383247, 841563, 1149741, 3023393, 9070179, 27210537, 81631611]

約数ペア:

[(1, 81631611), (3, 27210537), (9, 9070179), (27, 3023393), (71, 1149741), (97, 841563), (213, 383247), (291, 280521), (439, 185949), (639, 127749), (873, 93507), (1317, 61983), (1917, 42583), (2619, 31169), (3951, 20661), (6887, 11853)]