210928557

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17053}}^1$

素因数の和:17113

約数の個数: 32

約数和(自身を含む): 349265920

約数和(自身を除く): 138337363

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1767, 4123, 12369, 17053, 51159, 119371, 324007, 358113, 528643, 972021, 1585929, 2268049, 3700501, 6804147, 10044217, 11101503, 30132651, 70309519, 210928557]

約数ペア:

[(1, 210928557), (3, 70309519), (7, 30132651), (19, 11101503), (21, 10044217), (31, 6804147), (57, 3700501), (93, 2268049), (133, 1585929), (217, 972021), (399, 528643), (589, 358113), (651, 324007), (1767, 119371), (4123, 51159), (12369, 17053)]