81483363

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 136334016

約数和(自身を除く): 54850653

約数列:

[1, 3, 9, 13, 17, 39, 51, 71, 117, 153, 213, 221, 577, 639, 663, 923, 1207, 1731, 1989, 2769, 3621, 5193, 7501, 8307, 9809, 10863, 15691, 22503, 29427, 40967, 47073, 67509, 88281, 122901, 127517, 141219, 368703, 382551, 532571, 696439, 1147653, 1597713, 2089317, 4793139, 6267951, 9053707, 27161121, 81483363]

約数ペア:

[(1, 81483363), (3, 27161121), (9, 9053707), (13, 6267951), (17, 4793139), (39, 2089317), (51, 1597713), (71, 1147653), (117, 696439), (153, 532571), (213, 382551), (221, 368703), (577, 141219), (639, 127517), (663, 122901), (923, 88281), (1207, 67509), (1731, 47073), (1989, 40967), (2769, 29427), (3621, 22503), (5193, 15691), (7501, 10863), (8307, 9809)]