188857215

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 333933600

約数和(自身を除く): 145076385

約数列:

[1, 3, 5, 9, 15, 45, 109, 139, 277, 327, 417, 545, 695, 831, 981, 1251, 1385, 1635, 2085, 2493, 4155, 4905, 6255, 12465, 15151, 30193, 38503, 45453, 75755, 90579, 115509, 136359, 150965, 192515, 227265, 271737, 346527, 452895, 577545, 681795, 1358685, 1732635, 4196827, 12590481, 20984135, 37771443, 62952405, 188857215]

約数ペア:

[(1, 188857215), (3, 62952405), (5, 37771443), (9, 20984135), (15, 12590481), (45, 4196827), (109, 1732635), (139, 1358685), (277, 681795), (327, 577545), (417, 452895), (545, 346527), (695, 271737), (831, 227265), (981, 192515), (1251, 150965), (1385, 136359), (1635, 115509), (2085, 90579), (2493, 75755), (4155, 45453), (4905, 38503), (6255, 30193), (12465, 15151)]