51839931

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{811}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 81849600

約数和(自身を除く): 30009669

約数列:

[1, 3, 11, 13, 33, 39, 143, 149, 429, 447, 811, 1639, 1937, 2433, 4917, 5811, 8921, 10543, 21307, 26763, 31629, 63921, 115973, 120839, 347919, 362517, 1329229, 1570907, 3987687, 4712721, 17279977, 51839931]

約数ペア:

[(1, 51839931), (3, 17279977), (11, 4712721), (13, 3987687), (33, 1570907), (39, 1329229), (143, 362517), (149, 347919), (429, 120839), (447, 115973), (811, 63921), (1639, 31629), (1937, 26763), (2433, 21307), (4917, 10543), (5811, 8921)]