213304815

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{128111}}^1$

素因数の和:128159

約数の個数: 24

約数和(自身を含む): 379723968

約数和(自身を除く): 166419153

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 128111, 384333, 640555, 1152999, 1921665, 4740107, 5764995, 14220321, 23700535, 42660963, 71101605, 213304815]

約数ペア:

[(1, 213304815), (3, 71101605), (5, 42660963), (9, 23700535), (15, 14220321), (37, 5764995), (45, 4740107), (111, 1921665), (185, 1152999), (333, 640555), (555, 384333), (1665, 128111)]