212910321

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{147547}}^1$

素因数の和:147600

約数の個数: 16

約数和(自身を含む): 313982144

約数和(自身を除く): 101071823

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 147547, 442641, 1918111, 5459239, 5754333, 16377717, 70970107, 212910321]

約数ペア:

[(1, 212910321), (3, 70970107), (13, 16377717), (37, 5754333), (39, 5459239), (111, 1918111), (481, 442641), (1443, 147547)]