20728880107263

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{249995539}}^1$

素因数の和:249995668

約数の個数: 32

約数和(自身を含む): 31919430547200

約数和(自身を除く): 11190550439937

約数列:

[1, 3, 9, 27, 37, 83, 111, 249, 333, 747, 999, 2241, 3071, 9213, 27639, 82917, 249995539, 749986617, 2249959851, 6749879553, 9249834943, 20749629737, 27749504829, 62248889211, 83248514487, 186746667633, 249745543461, 560240002899, 767736300269, 2303208900807, 6909626702421, 20728880107263]

約数ペア:

[(1, 20728880107263), (3, 6909626702421), (9, 2303208900807), (27, 767736300269), (37, 560240002899), (83, 249745543461), (111, 186746667633), (249, 83248514487), (333, 62248889211), (747, 27749504829), (999, 20749629737), (2241, 9249834943), (3071, 6749879553), (9213, 2249959851), (27639, 749986617), (82917, 249995539)]