321885

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 584064

約数和(自身を除く): 262179

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 311, 345, 933, 1035, 1555, 2799, 4665, 7153, 13995, 21459, 35765, 64377, 107295, 321885]

約数ペア:

[(1, 321885), (3, 107295), (5, 64377), (9, 35765), (15, 21459), (23, 13995), (45, 7153), (69, 4665), (115, 2799), (207, 1555), (311, 1035), (345, 933)]