1212405

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{617}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 1957824

約数和(自身を除く): 745419

約数列:

[1, 3, 5, 15, 131, 393, 617, 655, 1851, 1965, 3085, 9255, 80827, 242481, 404135, 1212405]

約数ペア:

[(1, 1212405), (3, 404135), (5, 242481), (15, 80827), (131, 9255), (393, 3085), (617, 1965), (655, 1851)]