221489778

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{290669}}^1$

素因数の和:290801

約数の個数: 16

約数和(自身を含む): 446469120

約数和(自身を除く): 224979342

約数列:

[1, 2, 3, 6, 127, 254, 381, 762, 290669, 581338, 872007, 1744014, 36914963, 73829926, 110744889, 221489778]

約数ペア:

[(1, 221489778), (2, 110744889), (3, 73829926), (6, 36914963), (127, 1744014), (254, 872007), (381, 581338), (762, 290669)]