78931185

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{431}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 131258880

約数和(自身を除く): 52327695

約数列:

[1, 3, 5, 15, 29, 87, 145, 421, 431, 435, 1263, 1293, 2105, 2155, 6315, 6465, 12209, 12499, 36627, 37497, 61045, 62495, 181451, 183135, 187485, 544353, 907255, 2721765, 5262079, 15786237, 26310395, 78931185]

約数ペア:

[(1, 78931185), (3, 26310395), (5, 15786237), (15, 5262079), (29, 2721765), (87, 907255), (145, 544353), (421, 187485), (431, 183135), (435, 181451), (1263, 62495), (1293, 61045), (2105, 37497), (2155, 36627), (6315, 12499), (6465, 12209)]