289559817

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{521}}^1\times {\mathrm{1669}}^1$

素因数の和:2233

約数の個数: 24

約数和(自身を含む): 430639560

約数和(自身を除く): 141079743

約数列:

[1, 3, 9, 37, 111, 333, 521, 1563, 1669, 4689, 5007, 15021, 19277, 57831, 61753, 173493, 185259, 555777, 869549, 2608647, 7825941, 32173313, 96519939, 289559817]

約数ペア:

[(1, 289559817), (3, 96519939), (9, 32173313), (37, 7825941), (111, 2608647), (333, 869549), (521, 555777), (1563, 185259), (1669, 173493), (4689, 61753), (5007, 57831), (15021, 19277)]