213548713

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 269049600

約数和(自身を除く): 55500887

約数列:

[1, 7, 17, 49, 53, 119, 343, 371, 691, 833, 901, 2597, 4837, 5831, 6307, 11747, 18179, 33859, 36623, 44149, 82229, 237013, 256361, 309043, 575603, 622591, 1794527, 4029221, 4358137, 12561689, 30506959, 213548713]

約数ペア:

[(1, 213548713), (7, 30506959), (17, 12561689), (49, 4358137), (53, 4029221), (119, 1794527), (343, 622591), (371, 575603), (691, 309043), (833, 256361), (901, 237013), (2597, 82229), (4837, 44149), (5831, 36623), (6307, 33859), (11747, 18179)]