123214215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1783}}^1$

素因数の和:2079

約数の個数: 32

約数和(自身を含む): 209627136

約数和(自身を除く): 86412921

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 271, 813, 1355, 1783, 4065, 4607, 5349, 8915, 13821, 23035, 26745, 30311, 69105, 90933, 151555, 454665, 483193, 1449579, 2415965, 7247895, 8214281, 24642843, 41071405, 123214215]

約数ペア:

[(1, 123214215), (3, 41071405), (5, 24642843), (15, 8214281), (17, 7247895), (51, 2415965), (85, 1449579), (255, 483193), (271, 454665), (813, 151555), (1355, 90933), (1783, 69105), (4065, 30311), (4607, 26745), (5349, 23035), (8915, 13821)]