81664863

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 127034880

約数和(自身を除く): 45370017

約数列:

[1, 3, 7, 21, 101, 139, 277, 303, 417, 707, 831, 973, 1939, 2121, 2919, 5817, 14039, 27977, 38503, 42117, 83931, 98273, 115509, 195839, 269521, 294819, 587517, 808563, 3888803, 11666409, 27221621, 81664863]

約数ペア:

[(1, 81664863), (3, 27221621), (7, 11666409), (21, 3888803), (101, 808563), (139, 587517), (277, 294819), (303, 269521), (417, 195839), (707, 115509), (831, 98273), (973, 83931), (1939, 42117), (2121, 38503), (2919, 27977), (5817, 14039)]