212314557

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{16547}}^1$

素因数の和:16617

約数の個数: 32

約数和(自身を含む): 355848192

約数和(自身を除く): 143533635

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4277, 12831, 16547, 49641, 115829, 215111, 347487, 645333, 777709, 1505777, 2333127, 4517331, 5443963, 10110217, 16331889, 30330651, 70771519, 212314557]

約数ペア:

[(1, 212314557), (3, 70771519), (7, 30330651), (13, 16331889), (21, 10110217), (39, 5443963), (47, 4517331), (91, 2333127), (141, 1505777), (273, 777709), (329, 645333), (611, 347487), (987, 215111), (1833, 115829), (4277, 49641), (12831, 16547)]