291248973

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 438456320

約数和(自身を除く): 147207347

約数列:

[1, 3, 9, 27, 127, 157, 381, 471, 541, 1143, 1413, 1623, 3429, 4239, 4869, 14607, 19939, 59817, 68707, 84937, 179451, 206121, 254811, 538353, 618363, 764433, 1855089, 2293299, 10786999, 32360997, 97082991, 291248973]

約数ペア:

[(1, 291248973), (3, 97082991), (9, 32360997), (27, 10786999), (127, 2293299), (157, 1855089), (381, 764433), (471, 618363), (541, 538353), (1143, 254811), (1413, 206121), (1623, 179451), (3429, 84937), (4239, 68707), (4869, 59817), (14607, 19939)]