81258513

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{6211}}^1$

素因数の和:6317

約数の個数: 24

約数和(自身を含む): 127470240

約数和(自身を除く): 46211727

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1869, 4361, 6211, 13083, 18633, 43477, 130431, 304339, 552779, 913017, 1658337, 3869453, 11608359, 27086171, 81258513]

約数ペア:

[(1, 81258513), (3, 27086171), (7, 11608359), (21, 3869453), (49, 1658337), (89, 913017), (147, 552779), (267, 304339), (623, 130431), (1869, 43477), (4361, 18633), (6211, 13083)]