420836619

素因数分解:

$3^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{39371}}^1$

素因数の和:39890

約数の個数: 16

約数和(自身を含む): 642551040

約数和(自身を除く): 221714421

約数列:

[1, 3, 7, 21, 509, 1527, 3563, 10689, 39371, 118113, 275597, 826791, 20039839, 60119517, 140278873, 420836619]

約数ペア:

[(1, 420836619), (3, 140278873), (7, 60119517), (21, 20039839), (509, 826791), (1527, 275597), (3563, 118113), (10689, 39371)]